B1 · 中級 チャプター 18

Getting Started with the Present Perfect

5 トータルルール
59 例文
5

Chapter in 30 Seconds

Stop talking about the past as if it's dead; learn to connect it to your present life.

  • Memorize essential irregular past participle forms beyond the standard -ed ending.
  • Construct the Present Perfect tense using have/has correctly for all subjects.
  • Decide when to use the Present Perfect instead of the Simple Past based on time focus.
Connect your past to your present with confidence.

学べること

Ready to confidently connect your past to now? This chapter demystifies the English Present Perfect, showing you exactly when to use it instead of the Simple Past. You'll soon be expressing how past actions still matter, with greater clarity!

Learning Objectives

By the end of this chapter, you will be able to:

  1. 1
    By the end you will be able to recall and use at least 20 common irregular past participles.
  2. 2
    By the end you will be able to build positive, negative, and question forms of the Present Perfect.
  3. 3
    By the end you will be able to differentiate between specific past events and general life experiences.
  4. 4
    By the end you will be able to explain current situations by referencing their past causes.

チャプターガイド

Overview

Ready to truly unlock a new level of English communication? This guide is your ultimate starting point for getting started with the present perfect. At the B1 English grammar level, you're ready to move beyond just talking about finished past events and start connecting your past experiences and actions directly to the present moment.
This chapter will demystify one of the most crucial tenses in English, showing you exactly how to make your conversations more nuanced and natural.
We'll dive into the essential building blocks, like mastering irregular verbs and their past participles – a foundation for sounding authentic. Then, we’ll tackle the basic formation of the Present Perfect, bridging the gap between past and present. You'll learn to confidently distinguish between the **Simple Past vs.
Present Perfect**, understanding when to use each for maximum clarity. By the end, you'll be using this powerful tense to share experiences, report recent news, and explain present results, making your English shine!

How This Grammar Works

The Present Perfect is all about creating a bridge between a past action or event and its relevance now. It’s not about *when* something happened, but *that* it happened and its current impact. To build this tense, you'll use have/has + the past participle of the main verb.
For regular verbs, the past participle is the same as the simple past (e.g., *walked*, *played*). However, a key step in mastering irregular verbs is learning their unique past participle forms (e.g., *go - gone*, *eat - eaten*, *see - seen*). Knowing the top 50 irregular past participles is a game-changer!
The core idea is connecting past to now. Think of it as a status update for your life and experiences. If you want to say you did something at an unspecified time in the past, or that an action has a direct result in the present, the Present Perfect is your go-to.
For instance,
I have visited London three times
focuses on the experience, not a specific date. This contrasts sharply with the Simple Past, which tells us precisely when it happened (e.g.,
I visited London *last year*
). When using the Present Perfect for actions with present results, the connection is even clearer.
If your friend looks tired, you might ask,
Have you slept well?
– you're asking about a past action (sleeping) that directly explains their *current* state.

Common Mistakes

  1. 1✗ Wrong: I went to London. (when I was a child)
✓ Correct: I have been to London. (many times)
Explanation: Use the Simple Past for a finished action at a specific past time. Use the Present Perfect for experiences up to now, where the time isn't specified or important.
  1. 1✗ Wrong: He didn't finish his homework yet.
✓ Correct: He hasn't finished his homework yet.
Explanation: Yet (and already) signal that the action is expected to happen, or is still incomplete, making the Present Perfect the correct choice for connecting past to now.
  1. 1✗ Wrong: Where is John? I saw him five minutes ago.
✓ Correct: Where is John? I have seen him already. (or
I saw him five minutes ago.
)
Explanation: If you want to convey that you *already* had the experience of seeing him, the Present Perfect is better. If the *time* (five minutes ago) is important, then the Simple Past is used. This shows the difference between what happened (Present Perfect) and when it happened (Simple Past).

Real Conversations

A

A

I'm so hungry!
B

B

Really? I have just eaten a huge sandwich. Do you want to grab something later?
A

A

Yeah, sounds good. I haven't had lunch yet.
A

A

Look, your phone is wet! What has happened?
B

B

Oh no! I have dropped it in the sink. I hope it still works.
A

A

Have you ever tried sushi?
B

B

Yes, I have eaten it several times. It's delicious! What about you?
A

A

No, I haven't tried it yet. Maybe I should!

Quick FAQ

Q

What's the main difference between I went and I have gone?

I went uses the Simple Past, meaning you went somewhere at a specific past time, and you are no longer there (e.g.,

I went to the store yesterday
). I have gone uses the Present Perfect, meaning you are currently *not here* because you went somewhere (e.g., "John isn't home; he has gone to the library").

Q

Can I use ever and never with the Present Perfect?

Absolutely! Ever is used in questions about past experiences (e.g.,

Have you ever seen a whale?
). Never is used in negative statements about experiences (e.g.,
I have never traveled abroad.
). These are classic examples of the Present Perfect expressing experience.

Q

Why is Mastering Irregular Verbs so important for this chapter?

The Present Perfect requires the past participle form of the verb. While regular verbs simply add '-ed', irregular verbs have unique forms (e.g., *do-done, write-written, speak-spoken*). Without knowing these, you can't correctly form the Present Perfect, which is crucial for connecting past to now.

Cultural Context

Native English speakers rely heavily on the Present Perfect to convey ongoing relevance and experience. It's a natural way to provide updates, share life stories, or explain current situations. While regional differences exist in some minor grammar points, the core usage of the Present Perfect to link past to present is universal across English-speaking countries.
In everyday informal conversation, you'll hear it constantly, especially with contractions like "I've done or She's seen."

重要な例文 (8)

1

I haven't `eaten` anything since morning.

朝から何も食べてないんだ。

不規則動詞をマスターする:-edの向こう側(過去分詞)
2

Have you ever `seen` a shooting star?

流れ星を見たことある?

不規則動詞をマスターする:-edの向こう側(過去分詞)
3

I `have finished` my work, so I can relax now.

仕事が終わったから、今はリラックスできるよ。

英語の現在完了形:過去と現在をつなぐ(基本形)
4

She `has lived` in London for five years.

彼女はロンドンに5年間住んでいます。

英語の現在完了形:過去と現在をつなぐ(基本形)
5

I `finished` my project `yesterday`.

私は昨日、プロジェクトを終えました。

過去の行動: シンプル過去形 対 現在完了形
6

She `has traveled` to over twenty countries.

彼女は20カ国以上を旅したことがあります。

過去の行動: シンプル過去形 対 現在完了形
7

I `have finished` my project, so I can relax now.

プロジェクトが終わったので、今リラックスできます。

現在完了形:過去と現在をつなぐ(〜したことがある)
8

She `has never seen` snow before; it's her first winter abroad.

彼女は雪を見たことがありません。今年の冬が初めての海外です。

現在完了形:過去と現在をつなぐ(〜したことがある)

ヒントとコツ (4)

💡

グループで覚えよう

ランダムなリストを丸暗記しようとしないでね。不規則動詞を似たパターン(例:全て同じ形、母音変化)でグループ分けすると、ずっと覚えやすくなるよ。
frontend.learn_grammar.from_rule: 不規則動詞をマスターする:-edの向こう側(過去分詞)
💡

時間を示す言葉に注目

「yet」「already」「just」「never」「ever」「for」「since」といった言葉は、現在完了形を使うヒントになることが多いよ。これらは過去と現在が繋がっていることをさりげなく教えてくれるんだ。「I have just arrived.」
frontend.learn_grammar.from_rule: 英語の現在完了形:過去と現在をつなぐ(基本形)
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時を表す言葉に注目!

「昨日 (yesterday)」「先週 (last week)」「2020年に (in 2020)」は単純過去形と、また「すでに (already)」「まだ (yet)」「これまでに (ever)」「一度も~ない (never)」「~以来 (since)」「~の間 (for)」は現在完了形とよく一緒に使われます。これらは見分けるための最高のヒントになりますよ!
I finished it yesterday.
I have already finished it.
frontend.learn_grammar.from_rule: 過去の行動: シンプル過去形 対 現在完了形
💡

「現在の関連性」を意識しよう

昔のことが「今」も大事かどうか、いつも自問自答してみましょう。もし「はい」なら、大抵は現在完了形がぴったりです。まさに「So what?」(だから何?)という今の意味合いを伝える時に使います。「I have lost my keys, so I can't open the door.」
frontend.learn_grammar.from_rule: 現在完了形:過去と現在をつなぐ(〜したことがある)

重要な語彙 (6)

already sooner than expected yet until now (used in negatives/questions) ever at any time in your life seen past participle of 'see' gone past participle of 'go' just a very short time ago

Real-World Preview

briefcase

The Job Interview

plane-takeoff

Lost at the Airport

Review Summary

  • Subject + have/has + Past Participle (V3)

よくある間違い

You cannot use 'yesterday' with the Present Perfect. If the time is specific, use the Simple Past.

Wrong: I have seen that movie yesterday.
正解: I saw that movie yesterday.

Remember to use 'has' for he, she, and it.

Wrong: He have finished his homework.
正解: He has finished his homework.

Do not use the Simple Past form (saw) with 'have'. You must use the Past Participle (seen).

Wrong: I have saw him before.
正解: I have seen him before.

このチャプターのルール (5)

Next Steps

You've just unlocked one of the most powerful tools in the English language. Keep practicing those irregular verbs—they are the key to sounding like a pro!

Write a list of 5 'Life Firsts' (e.g., I have flown in a plane).

クイック練習 (10)

文章を完成させる正しい形を選んでください。

She has never ___ to New York.

✓ Correct! ✗ Not quite. Correct answer: gone
「Gone」は「go」の過去分詞形で、現在完了形で「has」の後に必要です。

frontend.learn_grammar.from_rule: 不規則動詞をマスターする:-edの向こう側(過去分詞)

文中の間違いを見つけて修正してください。

Find and fix the mistake:

She has saw that movie last night.

✓ Correct! ✗ Not quite. Correct answer: She saw that movie last night.
「last night」は過去の特定の時間を表すので、現在完了形ではなく単純過去形(saw)が必要です。また、sawsee の単純過去形であり、過去分詞形ではありません。

frontend.learn_grammar.from_rule: 英語の現在完了形:過去と現在をつなぐ(基本形)

文を完成させる正しい形を選びましょう。

I ___ to that restaurant before; the food is amazing!

✓ Correct! ✗ Not quite. Correct answer: have been
あなたの人生のある時点での経験について話すときに「have been」を使います。ここでは、食べ物に関する現在の知識を強調しています。

frontend.learn_grammar.from_rule: 現在完了形:過去と現在をつなぐ(〜したことがある)

過去分詞を正しく使っている文を選んでください。

正しい文を選んでください:

✓ Correct! ✗ Not quite. Correct answer: They have broken the glass.
「broken」が「break」の正しい過去分詞形です。「broke」は過去形であり、「have」と一緒に使うことはできません。

frontend.learn_grammar.from_rule: 不規則動詞をマスターする:-edの向こう側(過去分詞)

文中の間違いを見つけて直しましょう。

Find and fix the mistake:

She has bought a new car last month.

✓ Correct! ✗ Not quite. Correct answer: She bought a new car last month.
「last month(先月)」は特定の過去の時を表す言葉なので、現在完了形ではなく単純過去形を使う必要があります。

frontend.learn_grammar.from_rule: 過去の行動: シンプル過去形 対 現在完了形

正しい文章を選びましょう。

Choose the correct sentence:

✓ Correct! ✗ Not quite. Correct answer: They moved to London in 2010.
「in 2010(2010年に)」は特定の過去の時なので、単純過去形(「moved」)が正しいです。

frontend.learn_grammar.from_rule: 過去の行動: シンプル過去形 対 現在完了形

正しい文を選んでください。

Choose the correct sentence:

✓ Correct! ✗ Not quite. Correct answer: They finished their homework yesterday.
「yesterday」は過去の特定の時間を表すので、単純過去形(finished)が必要です。現在完了形は過去の特定の時間を表す言葉とは一緒に使えません。

frontend.learn_grammar.from_rule: 英語の現在完了形:過去と現在をつなぐ(基本形)

文章の間違いを見つけて修正してください。

Find and fix the mistake:

I have saw that movie already.

✓ Correct! ✗ Not quite. Correct answer: I have seen that movie already.
「see」の過去分詞形は「seen」であり、「saw」ではありません。「saw」は過去形です。

frontend.learn_grammar.from_rule: 不規則動詞をマスターする:-edの向こう側(過去分詞)

正しい文章を選びましょう。

Choose the correct sentence:

✓ Correct! ✗ Not quite. Correct answer: She has visited her grandparents many times.
「She visited her grandparents yesterday」は特定の時間なので過去形を使います。正しい現在完了形の文章は、特定の過去の時間なしに経験について話します。

frontend.learn_grammar.from_rule: 現在完了形:過去と現在をつなぐ(〜したことがある)

正しい動詞の形を選んでください。

I ___ (visit) New York three times.

✓ Correct! ✗ Not quite. Correct answer: have visited
この文は、特定の過去の時間を指定せずに人生経験について話しており、現在とのつながりを示しています。したがって、現在完了形 have visited が正しいです。

frontend.learn_grammar.from_rule: 英語の現在完了形:過去と現在をつなぐ(基本形)

Score: /10

よくある質問 (6)

「irregular verb(不規則動詞)」は、「simple past(過去形)」や「past participle(過去分詞形)」を-edを付けて作らない動詞のことだよ。代わりに、母音を変えたり、他のユニークなスペル変化をしたりするんだ。例えば、「go」が「went」や「gone」になるようにね。
「Present Perfect(現在完了形)」は、「have」か「has」の後に主動詞の「past participle(過去分詞形)」が続く形で構成されるんだ。正しい過去分詞がなければ、「I have eaten lunch」のような現在完了形の文を正しく作ることができないよ。
過去の行動や状態が「今」に直接つながっていることを表すのが、現在完了形の主な考え方だよ。いつ起きたかという特定の時間よりも、その出来事が「現在にどう関連しているか」「どんな影響があるか」を強調するんだ。例えば、「I have finished my homework」は、「宿題は『今』終わったよ」っていう意味になるんだね。
主語に応じて助動詞の have または has と、動詞の「過去分詞形」(V3)を組み合わせて作るよ。例えば、「I have eaten」とか「She has seen」のように、いつも2つの単語で一まとまりの動詞句になるんだ。
「Simple Past」は、終わった過去の行動が「いつ」起こったかに注目します。「Present Perfect」は、特定の時間を言わずに、今に「結果」や「経験」が繋がっていることに注目するんですよ。「I saw him yesterday.」と「I have seen him before.」を比べてみてください。
はい、使えますよ!例えば、今日の行動が「今日のうちに完全に終わった」(夜11時に「I finished my work today.」と言う場合)なら、「Simple Past」です。もし「今日」がまだ終わっていなくて、その行動が今も関連している(午前10時に「I haven't eaten breakfast today.」と言う場合)なら、「Present Perfect」を使います。