B1 Prepositions 17 min read 中等

如何使用 'Catch Up' (短语动词)

无论是补进度、叙旧还是追赶，用 catch up 就对了！记住 on 接事情，with 接人。
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Grammar Rule in 30 Seconds

'Catch up' means closing a gap—whether that's physical distance, missed work, or time spent apart from a friend.

  • Use 'catch up with' for people you haven't seen lately: 'Let's catch up with Sarah.'
  • Use 'catch up on' for tasks or sleep: 'I need to catch up on work.'
  • The past tense is 'caught up'—never 'catched up': 'I caught up with him yesterday.'
🏃‍♂️ (Behind) + 💨 (Catch Up) = 🏃‍♂️🏃‍♂️ (Same Level)

Overview

### Overview
在英语学习的旅程中，当你从基础水平迈向中级（B1）水平时，你会发现简单的动词已经不足以表达生活中那些微妙且复杂的场景。catch up 便是这样一个至关重要的短语动词（Phrasal Verb）。它不仅在日常口语中出现的频率极高，而且承载了丰富的语义内涵。简单来说，catch up 的核心逻辑是“填补差距”或“达到同步”。
想象一下，在快节奏的现代生活中，我们经常会因为各种原因掉队：可能是在地铁站落后于朋友的脚步，可能是因为生病缺席了几节大学课程，也可能是因为工作繁忙错过了微信群里的重要讨论。catch up 正是用来描述你通过努力，从“落后”状态回到“持平”状态的过程。它不仅关乎物理上的追赶，更关乎信息、学业、社交甚至是生理需求的补足。掌握这个短语，能让你的英语表达从生硬的翻译感提升到自然、地道的母语者水平。对于中国学习者来说，理解这个词的难点不在于它的含义，而在于它多变的搭配和介词的使用。接下来，我们将深入剖析这个短语的方方面面。
### How This Grammar Works
要理解 catch up，我们首先要对比一下中文的表达习惯。在中文里，我们会根据具体场景更换不同的动词。例如：
  • 在操场跑步时，我们会说“追上”；
  • 面对堆积的工作，我们会说“补齐”；
  • 很久没见的朋友聚会，我们会说“叙旧”；
  • 熬夜之后，我们会说“补觉”。
但在英语中，这四个看似截然不同的场景，都可以用 catch up 来涵盖。这就是短语动词的魅力——用一个核心动词（catch，意为“抓住”）配合一个副词小品词（up，暗示“向上”或“完成”的状态），构建出一个关于“弥补差距”的通用模型。
从语法结构上看，catch up 既可以作为不及物动词（后面不接对象），也可以作为及物动词（通过介词 with 或 on 连接对象）。这种灵活性是中国学习者需要重点掌握的。在中文语法中，我们习惯于“动词+宾语”的直接结构（如“赶上进度”），但在英语中，介词的选择决定了你是在追赶“人”还是在补齐“事”。
此外，catch up 还涉及到一个重要的语法概念：体（Aspect）。它通常暗示一个动态的过程，即从“落后”到“持平”的转换。一旦你达到了那个平衡点，这个动作就完成了。如果你想表达“保持不掉队”，那是另一个词 keep up。这种“动态平衡”的逻辑是理解 catch up 的关键。
### Formation Pattern
为了准确使用 catch up，我们需要掌握以下四种核心句式结构。请注意介词的选择，这是区分不同语境的关键。
1. 不及物用法 (Intransitive Use)
当你不需要明确指出追赶的对象，或者语境已经很明确时，直接使用 catch up。这通常用于表示“加快速度以赶上别人”。
  • 句式： Subject + catch up
  • 例子： You go first, I'll catch up. (你先走，我会赶上来的。)
  • 场景： 在地铁站，你停下来系鞋带，让朋友先走。
2. 搭配介词 with (Catch up with someone/something)
这个结构通常用于人、移动的物体或某种标准。它侧重于物理位置的追赶，或者在社交、竞争中达到同等水平。
| 主语 (Subject) | 谓语 (Verb Phrase) | 介词 (Preposition) | 宾语 (Object) |
| :--- | :--- | :--- | :--- |
| The runner | caught up | with | the lead pack |
| I | need to catch up | with | my old friends |
| China | is catching up | with | developed nations |
  • 例子： I ran as fast as I could to catch up with the bus. (我拼命跑以赶上那辆公交车。)
  • 注意： 在社交语境下，catch up with someone 特指“和某人叙旧/交流近况”。
3. 搭配介词 on (Catch up on something)
这个结构用于任务、信息、学业或生理需求。它侧重于“补做”那些之前没时间做或被耽误的事情。
| 主语 (Subject) | 谓语 (Verb Phrase) | 介词 (Preposition) | 宾语 (Object) |
| :--- | :--- | :--- | :--- |
| She | is catching up | on | her emails |
| I | must catch up | on | the news |
| We | need to catch up | on | some sleep |
  • 例子： I stayed at the library all Sunday to catch up on my history assignments. (我整个周日都待在图书馆补历史作业。)
4. 可拆分结构 (Catch someone up on something)
当你作为知情者，去帮助别人了解他们错过的进度时，可以使用这个结构。此时，catch 和 up 之间要放入“人”。
  • 句式： Catch + Person + up + on + Topic
  • 例子： Could you catch me up on what happened in the meeting? (你能给我补补课，讲讲会上发生了什么吗？)
  • 场景： 你因为去取外卖错过了五分钟的部门会议，回来请同事同步信息。
### When To Use It
在 B1 级别的交流中，catch up 几乎可以应用在生活的所有角落。以下是几个典型的应用场景：
  • 场景一：物理位置的追赶 (Physical Movement)
这是最字面的用法。当你在赶路、开车或比赛中落后时使用。
  • Wait for me! I can't catch up with your long legs. (等等我！我跟不上你那大长腿。)
  • 场景二：学业与工作的补齐 (Work & Study)
这是中国学生和职场人士最常用的场景。如果你因为春节假期堆积了大量工作，或者因为参加社团活动缺了课，就需要 catch up。
  • After the long holiday, I have a lot of emails to catch up on. (长假结束后，我有大量邮件要补处理。)
  • I need to catch up on the lectures I missed while I was sick. (我需要补一下生病期间错过的讲座。)
  • 场景三：社交叙旧 (Socializing)
在英语文化中，朋友之间见面不仅仅是 meet，更多的是 catch up。这隐含了“我们有一段时间没见了，需要交换一下彼此的近况”的意思。
  • Let's grab a coffee and catch up! (咱们喝杯咖啡叙叙旧吧！)
  • It was great catching up with you after all these years. (这么多年后能和你聊聊近况真是太好了。)
  • 场景四：获取最新信息 (Information & Trends)
如果你一段时间没看微博或朋友圈，感觉自己“断网”了，或者需要了解某个行业的最新趋势。
  • I spent the evening catching up on the latest tech trends. (我花了一个晚上了解最新的技术趋势。)
  • 场景五：生理补偿 (Recovery)
最经典的就是“补觉”。
  • I've been working overtime all week, so I'm going to catch up on sleep this weekend. (我这周都在加班，所以周末我要补觉。)
### Common Mistakes
由于中英文逻辑的差异，中国学习者在使用 catch up 时经常会掉进以下几个“坑”里：
错误 1：在初次见面时使用 catch up
  • 错误： It's nice to catch up with you. (对第一次见面的人说)
  • 原因： catch up 的前提是“存在差距”，意味着你们之前认识且有一段时间没联系了。如果是初次见面，应该用 meet。
  • 修正： It's nice to meet you.
错误 2：遗漏介词 with 或 on
  • 错误： I need to catch up my homework.
  • 原因： 受中文“补作业”这种“动+宾”结构的影响。在英语中，catch up 是不及物短语，必须通过介词才能连接具体的事务。
  • 修正： I need to catch up on my homework.
错误 3：混淆 catch up 和 catch
  • 错误： I didn't catch up what you said.
  • 原因： 如果你想表达“没听清/没听懂”对方刚才说的话，应该用 catch。catch up 意味着一个长期的信息补齐过程，而不是瞬间的理解。
  • 修正： I didn't catch what you said.
错误 4：分不清 with 和 on 的对象
  • 错误： I need to catch up on my boss.
  • 原因： on 后面接的是事情。如果你说 catch up on my boss，听起来像是你要“补做你的老板”，这显然不对。
  • 修正： I need to catch up with my boss. (和老板聊聊近况/进度)
### Contrast With Similar Patterns
为了更清晰地掌握 catch up，我们需要将其与几个容易混淆的表达进行对比：
| 表达 (Expression) | 核心含义 | 重点 | 例子 |
| :--- | :--- | :--- | :--- |
| Catch up | 追上/补齐 | 强调从“落后”到“持平”的过程 | I need to catch up on work. |
| Keep up | 保持/跟上 | 强调“维持”在同一水平，不掉队 | It's hard to keep up with the pace. |
| Pick up | 学到/拾起 | 强调无意中习得或重新开始某事 | I picked up some Spanish in Mexico. |
| Meet up | 见面/集合 | 强调物理上的碰面，不一定涉及叙旧 | Let's meet up at the station. |
深度对比：catch up vs keep up
这两个词是中国学生最容易混淆的。请记住这个逻辑：
  • 如果你已经落后了，你需要 catch up (追上来)。
  • 如果你已经在队伍里，为了不掉队，你需要 keep up (保持住)。
  • 口诀： 掉队了要 catch，在队里要 keep。
### Quick FAQ
Q1: catch up 可以作为名词使用吗？
A: 可以！它通常写成带连字符的形式 catch-up。例如：We had a quick catch-up over lunch. (我们在午餐时简单叙了叙旧。)
Q2: 为什么补觉用 on，而和人叙旧用 with？
A: 这是一个很好的观察。在英语逻辑中，with 强调的是“伴随”和“互动”，所以用于人；而 on 经常用于表示“关于某个主题”或“针对某个任务”，所以用于睡眠、作业、新闻等抽象事物。
Q3: catch up with someone 也可以指“坏事找上门”吗？
A: 是的，这是一个高级用法。当一个人长期做坏事，最终受到惩罚时，我们可以说：His past crimes finally caught up with him. (他过去的罪行最终还是报应到了他身上。)
Q4: 在职场邮件中，catch up 显得太随便吗？
A: 并不。在现代职场（尤其是互联网公司或外企），Let's catch up next week 是一种非常标准且专业的说法，用来邀约进度同步会议或 1-on-1 沟通。它比 Let's have a meeting 听起来更亲切、更务实。

Conjugation of 'Catch Up'

Tense Subject Form
Present Simple
I/You/We/They
catch up
Present Simple
He/She/It
catches up
Past Simple
All subjects
caught up
Present Continuous
All subjects
am/is/are catching up
Past Continuous
All subjects
was/were catching up
Present Perfect
All subjects
have/has caught up
Future
All subjects
will catch up
Infinitive
N/A
to catch up
Gerund
N/A
catching up

Common Spoken Reductions

Full Form Spoken/Informal Context
Let us catch up
Let's catch up
Standard invitation
I have caught up
I've caught up
Perfect tense contraction
I am catching up
I'm catching up
Continuous tense contraction

Meanings

To reach the same quality, status, or physical position as someone or something that was previously ahead.

1

Socializing

To talk to someone you have not seen for some time in order to find out what they have been doing.

“We spent the whole afternoon catching up.”

“I need to catch up with my sister; we haven't spoken in months.”

2

Tasks and Work

To do something that you did not have time to do earlier.

“I'm staying late to catch up on some paperwork.”

“She needs to catch up on her sleep after the long flight.”

3

Physical Movement

To reach someone who is ahead of you by moving faster.

“Go on ahead, I'll catch up in a minute.”

“The police car eventually caught up with the stolen vehicle.”

4

Consequences

When something from the past (usually a mistake) finally begins to cause problems.

“His lifestyle finally caught up with him.”

“The lies he told are starting to catch up with him.”

Reference Table

Reference table for 如何使用 'Catch Up' (短语动词)
用法 含义 例句 使用场景
Catch up with [person]
追上某人的步伐或位置
I need to catch up with my friend.
物理移动、社交见面
Catch up on [thing/info]
补做某事或了解错过的信息
I'll catch up on emails.
新闻、工作、学习、补觉
Catch someone up on [info]
让某人了解最新的细节
Let me catch you up on the news.
分享信息、更新进度
Catch up (socially)
叙旧，分享彼此近况
Let's catch up soon!
非正式社交计划
Catch up (general)
缩小差距或弥补亏欠
He needs to catch up in class.
学术、工作背景
Catch up with [group]
达到与某个群体相同的水平
The new software caught up with competitors.
行业竞争、技术水平

正式程度

正式
I would like to schedule a time for us to discuss recent developments.

I would like to schedule a time for us to discuss recent developments. (Socializing)

中性
We should catch up soon.

We should catch up soon. (Socializing)

非正式
Let's catch up!

Let's catch up! (Socializing)

俚语
We gotta link up and chat.

We gotta link up and chat. (Socializing)

Catch Up：填补差距

Catch Up

物理追赶

  • 追上跑步者 reach the same speed
  • 追上队伍 join up with others

信息同步

  • 补新闻 get updated on events
  • 回邮件 read all missed messages
  • 补功课 complete missed schoolwork

社交叙旧

  • 见朋友 meet and share news
  • 见家人 reconnect and talk

身心恢复

  • 补觉 get extra rest
  • 补家务 complete overdue tasks

Catch Up vs. Keep Up

Catch Up (追赶动作)
我缺课了，我需要 `catch up`。 填补过去的差距。
她跑得很快以 `catch up` with 他。 达到当前的位置。
我们喝杯咖啡 `catch up` 吧。 中断后的重新联系。
Keep Up (保持状态)
很难 `keep up` 最新的新闻。 持续保持最新状态。
他努力学习以 `keep up` 与同龄人同步。 维持当前的水平。
你能 `keep up` 我的速度吗？ 匹配正在进行的速度。

正确使用 'Catch Up'

1

你是在延迟后达到某个水平、速度或更新信息吗？

YES
是
NO
考虑使用 'meet', 'understand', 'grab'。
2

是关于信息、任务或睡眠吗？

YES
使用 'catch up ON [topic]'
NO
继续下一步
3

是关于追上某人、群体或物理实体吗？

YES
使用 'catch up WITH [person/thing]'
NO
继续下一步
4

你是在更新别人的信息吗？

YES
使用 'catch [someone] up ON [topic]' (可拆分)
NO
你掌握了！

Catch Up 的方式

☕

社交

  • • 和朋友
  • • 和家人
  • • 喝咖啡
📚

工作/学习

  • • 回邮件
  • • 补作业
  • • 补功课
📰

信息

  • • 看新闻
  • • 补剧
  • • 聊八卦
🏃

物理/努力

  • • 追上队伍
  • • 补觉
  • • 补家务
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按水平分级的例句

1

Wait! I need to catch up.

2

Can you catch up with me?

3

He is fast. I can't catch up.

4

Run! Catch up to the bus!

1

I caught up with my mom yesterday.

2

We need to catch up soon.

3

I have to catch up on my reading.

4

Did you catch up with the group?

1

I've been away, so I need to catch up on the news.

2

Let's have a coffee and catch up.

3

The company is trying to catch up with its rivals.

4

I stayed up late to catch up on my favorite show.

1

It took me ages to catch up on all the emails after my holiday.

2

Technology is moving so fast that the law can't catch up.

3

I finally caught up with the person who was leading the race.

4

We spent the evening catching up on old times.

1

The repercussions of his negligence finally caught up with him.

2

Developing nations are struggling to catch up with the West's infrastructure.

3

I'll leave you two to catch up; I'm sure you have a lot to talk about.

4

The curriculum has been updated to catch up with modern pedagogical standards.

1

The sheer velocity of change in the AI sector makes it nearly impossible for regulatory bodies to catch up.

2

There is a sense of 'catching up' that permeates the post-war literature of that era.

3

The ghost of his past eventually caught up with him in the most unexpected of ways.

4

By the time the industry caught up to the consumer demand, the trend had already shifted.

容易混淆

How to use 'Catch Up' (Phrasal Verb) 对比 Keep Up

Learners use 'catch up' when they are already at the same level as someone else. 'Catch up' implies a gap exists.

How to use 'Catch Up' (Phrasal Verb) 对比 Pick Up

Sometimes confused in the context of learning or resuming a task.

How to use 'Catch Up' (Phrasal Verb) 对比 Reach

Learners use 'reach' for social updates.

常见错误

✗

I catch up him.

✓

I catch up with him.

You need the preposition 'with' when there is a person as an object.
✗

Wait for me, I catch up!

✓

Wait for me, I'll catch up!

Use the future 'will' for a promise or immediate action.
✗

He catched up.

✓

He caught up.

Catch is an irregular verb.
✗

I catch up to you.

✓

I'll catch up with you.

While 'to' is sometimes used, 'with' is much more natural for people.
✗

We caught up on coffee.

✓

We caught up over coffee.

Use 'over' for the setting/activity, not 'on'.
✗

I need to catch up my work.

✓

I need to catch up on my work.

You must use 'on' for tasks.
✗

I am catching up with my sleep.

✓

I am catching up on my sleep.

Sleep is a 'thing/task', so use 'on'.
✗

I caught up with the news.

✓

I caught up on the news.

News is information, so 'on' is better than 'with'.
✗

I can't catch up with your speed.

✓

I can't keep up with your speed.

If you are already moving at that speed but struggling, use 'keep up'.
✗

Let's catch up us.

✓

Let's catch up.

Catch up is intransitive here; you don't need 'us'.
✗

The law caught up to the technology.

✓

The law caught up with the technology.

In formal/abstract contexts, 'with' is the standard for metaphorical reaching.
✗

I need a catch up on.

✓

I need a catch-up.

The noun form doesn't usually take 'on' at the end of the sentence.

句型

I need to catch up on ___.

It was great catching up with ___.

Go ahead, I'll catch up ___.

The ___ is finally catching up with ___.

Real World Usage

Texting a friend constant

Hey! We need to catch up. Coffee Friday?

Office meeting very common

Let's have a quick catch-up on the project status.

After a vacation common

I have so many emails to catch up on.

Sports commentary common

He's closing the gap! He might catch up to the leader.

Social Media very common

Catching up with the bestie! #brunch

Doctor's visit occasional

We need to catch up on your vaccinations.

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💡

想象你在“填补差距”

无论是信息、速度还是感情，你都在缩小那个 gap。这个画面感能帮你秒懂含义！
I need to catch up on the news.
⚠️

别丢了介词！

这是最常见的错误。问问自己：是针对“事”还是“人”？
Catch up on work
还是
Catch up with friends
？
🎯

社交万能邀约

不想定死具体的活动？说这句准没错，既礼貌又显得亲近： "Let's catch up soon!"
🌍

社交媒体上的“补课”

在 Instagram 或 TikTok 上，刷掉没看的动态也叫 catch up。 "I'm catching up on my feed."
💡

宾语可以很丰富

不只是工作，追剧、看梗图、听播客都能用 catch up on。 "I'm catching up on the latest memes."

Smart Tips

Remember: 'With' is for friends, 'On' is for ends (tasks/goals).

I caught up on my brother. → I caught up with my brother.

Think of 'Caught' like 'Bought' or 'Taught'. They all end in -ought.

I catched up on my work. → I caught up on my work.

Use 'catch-up' as a noun for meetings.

Let's meet to catch up. → Let's have a quick catch-up.

Switch from 'catch up' to 'keep up'.

I am running with you, I can catch up! → I am running with you, I can keep up!

发音

/kætʃ ʌp/

Linking

The 'ch' in 'catch' links to the 'u' in 'up', sounding like 'cat-chup'.

/kɔːt ʌp/

Past Tense

The 't' in 'caught' is often held (stop T) before the 'u' in 'up'.

Phrasal Verb Stress

I need to catch UP.

In phrasal verbs, the particle (up) usually receives more stress than the verb.

记住它

记忆技巧

Catch the 'UP'—imagine reaching up to grab a balloon that is floating ahead of you.

视觉联想

Picture two runners. One is far ahead, and the other is sprinting to reach them. The moment they are side-by-side, they have 'caught up'.

Rhyme

If you're behind and want to be near, catch up with those you hold dear.

Story

I was sick for a week and missed all my classes. When I returned, I had to catch up on my notes. I met my friend at a cafe to catch up with her life, and then I ran to catch up with the bus home.

Word Web

CaughtWithOnGapUpdateLevelReach

挑战

Write a text message to a friend you haven't seen in a month using 'catch up'.

文化笔记

In the US, 'Let's catch up' is often used as a polite way to end a conversation, similar to 'We should do lunch,' and may not always result in a real plan.

In UK office culture, a 'catch-up' is a very common term for a brief, informal 1-on-1 meeting with a manager.

Australians use 'catch up' very frequently for any social gathering, often replacing 'meet' or 'hang out'.

From the Middle English 'cacchen' (to capture/seize) and the adverb 'up' (expressing completion).

对话开场白

“

What is something you need to catch up on this weekend?

“

Who is a friend you haven't caught up with in a long time?

“

Do you think technology is moving too fast for people to catch up?

“

If you could catch up with any historical figure, who would it be?

日记主题

Describe a time you had to catch up on work or school. How did you feel?
Write about a perfect afternoon catching up with an old friend.
Discuss the pressure of 'keeping up' versus 'catching up' in modern society.
Write a story where someone's past finally catches up with them.

常见错误

Incorrect

正确

Incorrect

正确

Incorrect

正确

Incorrect

正确

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Test Yourself

选择正确的形式

✓ Correct! ✗ Not quite. Correct answer:
要了解错过的信息或完成任务，我们使用短语动词 catch up on。
哪个句子是正确的？

✓ Correct! ✗ Not quite. Correct answer:
当指代达到与某人或某群体相同的水平时，catch up with 是正确的表达。
将单词排序

✓ Correct! ✗ Not quite. Correct answer:
这是 catch up 可拆分形式的一个例子，宾语 me 放在 catch 和 up 之间。

Score: /3

练习题

8 exercises
Fill in the missing preposition.

I missed two days of school, so I need to catch up ___ my homework.

✓ Correct! ✗ Not quite. Correct answer: on
We use 'on' for tasks, work, or things we missed.
Choose the correct past tense form. 多项选择

Yesterday, I ___ up with my old school friend.

✓ Correct! ✗ Not quite. Correct answer: caught
'Catch' is an irregular verb; the past tense is 'caught'.
Find the mistake in the sentence. Error Correction

Find and fix the mistake:

I need to catch up with my sleep.

✓ Correct! ✗ Not quite. Correct answer: Change 'with' to 'on'
Sleep is a 'thing' or 'task', so we use 'catch up on'.
Rewrite the sentence using 'catch up'. Sentence Transformation

I reached the same level as the other runners.

✓ Correct! ✗ Not quite. Correct answer: I caught up with the other runners.
'Catch up with' is used for physical reaching.
Is the following rule true or false? True False Rule

'Catch up' can be used as a noun.

✓ Correct! ✗ Not quite. Correct answer: True
Yes, 'a catch-up' is a common noun meaning an informal meeting.
Complete the dialogue. Dialogue Completion

A: 'I haven't seen you in months!' B: 'I know! We really need to ___.'

✓ Correct! ✗ Not quite. Correct answer: catch up
'Catch up' is the standard phrase for updating friends on your life.
Which preposition goes with which object? Grammar Sorting

Match: 1. A friend, 2. Emails, 3. The leader

✓ Correct! ✗ Not quite. Correct answer: 1-with, 2-on, 3-with/to
With for people, on for tasks, with/to for physical distance.
Match the meaning to the sentence. Match Pairs

A. Social, B. Task, C. Consequence

✓ Correct! ✗ Not quite. Correct answer: A-I caught up with Sam, B-I caught up on work, C-His past caught up with him
These are the three main semantic uses of the phrasal verb.

Score: /8

Practice Bank

11 exercises
选择正确的形式 填空

He has fallen behind in his studies and needs to ___ up on a lot of reading.

✓ Correct! ✗ Not quite. Correct answer: catch up
找出并修正错误 Error Correction

I'll try to catch on the latest episode tonight.

✓ Correct! ✗ Not quite. Correct answer: I'll try to catch up on the latest episode tonight.
哪个句子是正确的？ 多项选择

Choose the correct sentence:

✓ Correct! ✗ Not quite. Correct answer: The small boat managed to catch up with the large ship.
输入正确的英文句子 翻译

Translate into English: '我们下周叙叙旧。'

✓ Correct! ✗ Not quite. Correct answer: ["We'll catch up next week.","Let's catch up next week."]
将单词排序 Sentence Reorder

Arrange these words into a sentence:

✓ Correct! ✗ Not quite. Correct answer: The economy struggles to catch up with global trends.
将情况与 catch up 的正确介词匹配 Match Pairs

Match the situation with the preposition:

✓ Correct! ✗ Not quite. Correct answer: matched
选择正确的形式 填空

After her illness, she had to work extra hours to ___ on her assignments.

✓ Correct! ✗ Not quite. Correct answer: catch up
找出并修正错误 Error Correction

He needed me to catch up him on the project details.

✓ Correct! ✗ Not quite. Correct answer: He needed me to catch him up on the project details.
哪个句子是正确的？ 多项选择

Choose the correct sentence:

✓ Correct! ✗ Not quite. Correct answer: I'm going to spend the weekend catching up on my reading list.
输入正确的英文句子 翻译

Translate into English: '她不得不跑起来以追上她的狗。'

✓ Correct! ✗ Not quite. Correct answer: ["She had to run to catch up with her dog."]
将单词排序 Sentence Reorder

Arrange these words into a sentence:

✓ Correct! ✗ Not quite. Correct answer: I could finally catch up with the pace of the discussion.

Score: /11

常见问题 (8)

'Catch up with' is more common for people and social situations. 'Catch up to' is often used for physical distance or reaching a specific level/number.

No, 'catch' is irregular. The past tense is always `caught up`.

It is neutral. It is perfectly fine to use in a business email (`I need to catch up on these reports`) or with a friend.

It means sleeping more than usual because you didn't sleep enough in the past few days.

Yes, when we say 'his lies caught up with him,' it means his past mistakes finally caused him trouble.

Use `catch up` (two words) as a verb. Use `catch-up` (with a hyphen) as a noun or adjective.

Yes, `catch up on the news` means reading or watching what you missed recently.

It is an informal meeting where people update each other on their progress.

Scaffolded Practice

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1

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4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

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In Other Languages

Spanish moderate

Ponerse al día / Alcanzar

English uses one phrasal verb for both physical and social contexts.

French partial

Rattraper / Prendre des nouvelles

French lacks a single verb that covers 'social updates' and 'physical distance'.

German moderate

Aufholen / Sich austauschen

German uses a separable prefix verb 'aufholen' which mirrors the 'up' in English.

Japanese low

追いつく (Oitsuku)

Japanese requires a much more formal/descriptive phrase for social catching up.

Arabic partial

لحق بـ (Lahiqa bi)

Arabic usually requires different verbs based on the 'gap' being closed.

Chinese moderate

赶上 (Gǎnshàng)

Chinese 'ganshang' implies a sense of urgency or racing that 'catch up' doesn't always have.

Learning Path

Prerequisites

Previous
短语动词: Pick up (捡起，接送，接听)
Next
短语动词: Turn Down (音量与拒绝)

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