C1 Grammatik 2 min read Leicht

Expressing Likelihood: Bound To, Certain To, Likely To, and More

English has a rich system for expressing degrees of likelihood — from near certainty (bound to, certain to) through probability (likely to, expected to) to possibility (may well, could conceivably). Choosing the right expression signals both your level of confidence and your register.

Grammar Rule in 30 Seconds

Use specific modal phrases like 'bound to' or 'likely to' to express varying degrees of certainty about future events.

  • Use 'bound to' for near-certainty: 'It is bound to rain later.'
  • Use 'likely to' for high probability: 'They are likely to arrive soon.'
  • Use 'unlikely to' for low probability: 'He is unlikely to change his mind.'
Subject + be + [Likelihood Adjective] + to + Verb

Overview

## Degrees of Likelihood
### Near certainty
| Expression | Example |
|---|---|
| be bound to | The delay is bound to affect customer satisfaction. |
| be certain to | This finding is certain to provoke debate. |
| be sure to | You are sure to find a better deal elsewhere. |
| be all but certain | The outcome is all but certain at this point. |
### High probability
| Expression | Example |
|---|---|
| be likely to | The report is likely to be published in March. |
| be expected to | Revenues are expected to grow by 8% this year. |
| be set to | The committee is set to announce its findings on Friday. |
| be due to | The delegation is due to arrive at midday. |
### Moderate probability
| Expression | Example |
|---|---|
| may well | The new policy may well deter investment. |
| could well | The situation could well deteriorate further. |
| there is every likelihood | There is every likelihood that talks will resume. |
| it is probable that | It is probable that demand will stabilise. |
### Low probability / Doubt
| Expression | Example |
|---|---|
| be unlikely to | The plan is unlikely to win cross-party support. |
| be doubtful | It is doubtful that a compromise can be reached. |
| be conceivable that | It is conceivable that the results were misread. |
## Formal Hedging Adverbs
  • arguably — The most effective strategy is, arguably, a phased approach.
  • conceivably — This conceivably explains the anomaly in the data.
  • plausibly — One plausibly expected outcome is increased competition.
## Structure Notes
be [adjective] to + infinitive:
  • The team is likely to exceed the target. ✅
  • The team is likely exceeding the target. ❌
It is [adjective] that + clause:
  • It is likely that the team will exceed the target. ✅
  • It is probable that demand will rise. ✅

Formation of Likelihood Modals

Subject Verb 'to be' Adjective Infinitive Example
I
am
likely
to go
I am likely to go.
You
are
bound
to win
You are bound to win.
He/She/It
is
unlikely
to stay
He is unlikely to stay.
We
are
certain
to arrive
We are certain to arrive.
They
are
likely
to call
They are likely to call.
It
is
bound
to rain
It is bound to rain.

Contractions

Full Form Contraction
I am likely to
I'm likely to
He is bound to
He's bound to
They are unlikely to
They're unlikely to

Meanings

These structures allow speakers to quantify their confidence in a future outcome or state.

1

Inevitable certainty

Expressing that something is almost certain to happen.

“It is bound to be a long day.”

“Success is bound to follow hard work.”

2

High probability

Expressing that something is expected to happen.

“She is likely to win the election.”

“Prices are likely to rise next month.”

3

Low probability

Expressing that something is not expected to happen.

“It is unlikely to snow in July.”

“They are unlikely to accept our offer.”

Reference Table

Reference table for Expressing Likelihood: Bound To, Certain To, Likely To, and More
Form Structure Example
Affirmative
Subj + be + likely + to + V
It is likely to happen.
Negative
Subj + be + not + likely + to + V
It is not likely to happen.
Question
Be + Subj + likely + to + V?
Is it likely to happen?
Certainty
Subj + be + bound + to + V
It is bound to happen.
Low Prob
Subj + be + unlikely + to + V
It is unlikely to happen.
Short Answer
Yes, it is / No, it isn't
Is it likely? Yes, it is.

Formalitätsspektrum

Formell
It is likely that the train will be delayed.

It is likely that the train will be delayed. (Travel)

Neutral
The train is likely to be delayed.

The train is likely to be delayed. (Travel)

Informell
The train's probably gonna be late.

The train's probably gonna be late. (Travel)

Umgangssprache
Train's gonna be late, for sure.

Train's gonna be late, for sure. (Travel)

The Likelihood Spectrum

Certainty

High

  • Bound to 100% sure

Medium

  • Likely to 75% sure

Low

  • Unlikely to 25% sure

Beispiele nach Niveau

1

It is likely to rain.

Va a llover (probablemente).

2

He is likely to come.

Probablemente él vendrá.

3

They are likely to win.

Probablemente ganarán.

4

It is unlikely to be cold.

Es poco probable que haga frío.

1

She is bound to be happy.

Ella seguramente estará feliz.

2

Is he likely to call?

¿Es probable que él llame?

3

We are unlikely to finish today.

Es poco probable que terminemos hoy.

4

The train is bound to arrive soon.

El tren seguramente llegará pronto.

1

The team is bound to succeed with this plan.

El equipo seguramente tendrá éxito con este plan.

2

It is highly likely to cause problems.

Es muy probable que cause problemas.

3

He is unlikely to change his mind now.

Es poco probable que cambie de opinión ahora.

4

Are they likely to agree to these terms?

¿Es probable que acepten estos términos?

1

Given the current data, the market is likely to stabilize.

Dada la información actual, el mercado probablemente se estabilizará.

2

It is bound to be a challenging transition.

Seguramente será una transición desafiante.

3

Such a decision is unlikely to be popular.

Es poco probable que tal decisión sea popular.

4

Is it bound to happen regardless of our input?

¿Seguramente sucederá independientemente de nuestra opinión?

1

The proposed legislation is bound to face significant opposition.

La legislación propuesta seguramente enfrentará una oposición significativa.

2

It is highly unlikely to yield the desired results.

Es altamente improbable que produzca los resultados deseados.

3

Analysts are likely to interpret this as a sign of weakness.

Los analistas probablemente interpretarán esto como una señal de debilidad.

4

The outcome is bound to be complex.

El resultado seguramente será complejo.

1

Such a radical shift is bound to precipitate a crisis.

Tal cambio radical seguramente precipitará una crisis.

2

It is unlikely to be a mere coincidence.

Es poco probable que sea una mera coincidencia.

3

The evidence is likely to be deemed inadmissible.

Es probable que la evidencia sea considerada inadmisible.

4

One is bound to wonder about the underlying motives.

Uno seguramente se preguntará sobre los motivos subyacentes.

Leicht verwechselbar

Expressing Likelihood: Bound To, Certain To, Likely To, and More vs. Likely vs. Probably

Learners often mix up the adjective 'likely' with the adverb 'probably'.

Expressing Likelihood: Bound To, Certain To, Likely To, and More vs. Bound to vs. Certain to

Both express high certainty, but 'bound to' is more idiomatic.

Expressing Likelihood: Bound To, Certain To, Likely To, and More vs. Unlikely vs. Not likely

They mean the same, but 'unlikely' is more concise.

Häufige Fehler

It likely to rain.

It is likely to rain.

Missing the verb 'to be'.

He is bound to not go.

He is unlikely to go.

Negative 'bound to' is unnatural.

It is likely that to rain.

It is likely to rain.

Confusing 'likely that' with 'likely to'.

They are bound to coming.

They are bound to come.

Using gerund instead of infinitive.

Are likely they to win?

Are they likely to win?

Incorrect word order in questions.

It is bound to be happen.

It is bound to happen.

Double verb error.

He is not likely to be go.

He is not likely to go.

Incorrect verb form.

It is bound to not work.

It is unlikely to work.

Avoid negative 'bound to'.

She is certain to be arrive.

She is certain to arrive.

Incorrect infinitive form.

They are likely that they will come.

They are likely to come.

Redundant clause.

The results are bound to be seen as a failure.

The results are likely to be seen as a failure.

Bound to is too strong for this context.

It is unlikely to be not the case.

It is likely to be the case.

Double negative confusion.

He is bound to have been arrived.

He is bound to have arrived.

Incorrect perfect infinitive.

The market is bound to be likely to crash.

The market is likely to crash.

Mixing two modals.

Satzmuster

It is ___ to happen.

They are ___ to arrive on time.

The outcome is ___ to be complex.

Given the evidence, it is ___ to be true.

Real World Usage

Weather report constant

It is likely to rain in the afternoon.

Business meeting very common

The deal is bound to close by Friday.

Texting friends common

It's bound to be a blast!

Job interview common

I am likely to bring a fresh perspective.

Travel planning occasional

The flight is unlikely to be on time.

Social media common

This movie is bound to win an Oscar.

💡

Use 'bound to' for emphasis

When you want to sound confident, use 'bound to' instead of 'likely to'.
⚠️

Avoid negative 'bound to'

Don't say 'It is not bound to happen.' Use 'It is unlikely to happen' instead.
🎯

Hedging in writing

Use 'likely to' to soften your claims in academic or professional writing.
💬

Register matters

In formal settings, 'likely to' is preferred over 'probably'.

Smart Tips

Use 'likely to' to sound more objective.

The project will fail. The project is likely to face challenges.

Use 'bound to' to show excitement.

It will be fun. It's bound to be a blast!

Use 'unlikely to' to be polite.

It won't work. It is unlikely to work as planned.

Use 'certain to' for clarity.

It will happen. It is certain to happen.

Aussprache

LY-klee

Likely

Stress the first syllable: /ˈlaɪkli/.

boun-tuh

Bound to

The 'd' in bound often blends with the 't' in 'to'.

Falling intonation

It is LIKELY to RAIN.

Conveys certainty and finality.

Einprägen

Eselsbrücke

B.L.U. — Bound, Likely, Unlikely. Remember the order of certainty!

Visuelle Assoziation

Imagine a thermometer. 'Bound to' is at the top (boiling), 'Likely' is in the middle (warm), and 'Unlikely' is at the bottom (freezing).

Rhyme

If you are sure, use bound to be, if it's probable, likely to see.

Story

Sarah was bound to win the race because she trained hard. Her coach said she was likely to break the record. However, the weather was bad, so it was unlikely to be a perfect day.

Word Web

BoundLikelyUnlikelyCertainProbabilityPredictionFutureModal

Herausforderung

Write 3 sentences about your day tomorrow using each of the three forms.

Kulturelle Hinweise

Often uses 'bound to' to express a sense of inevitability in daily life.

Uses 'likely' frequently in professional and news contexts.

Prefers 'likely' over 'bound to' for objective hedging.

These structures evolved from the Old English 'bindan' (to tie), implying that an event is 'tied' to a certain outcome.

Gesprächseinstiege

Do you think it's likely to rain today?

Is the new project bound to succeed?

Are we likely to see changes in the market?

Is it unlikely to be a good year for the company?

Tagebuch-Impulse

Write about your plans for next week.
Predict the future of technology.
Discuss a difficult decision you made.
Analyze a current political event.

Häufige Fehler

Incorrect

Richtig


Incorrect

Richtig


Incorrect

Richtig


Incorrect

Richtig

Test Yourself

Fill in the blank with the correct form.

It is ___ to rain tomorrow.

✓ Correct! ✗ Not quite. Correct answer: d
All fit grammatically.
Choose the correct sentence. Multiple Choice

Which is correct?

✓ Correct! ✗ Not quite. Correct answer: a
Likely + to + infinitive.
Find the error. Error Correction

Find and fix the mistake:

It is bound to not happen.

✓ Correct! ✗ Not quite. Correct answer: c
Negative bound to is awkward.
Transform the sentence. Sentence Transformation

Change 'It will probably rain' to 'likely'.

✓ Correct! ✗ Not quite. Correct answer: a
Correct structure.
Match the meaning. Match Pairs

Match each item on the left with its pair on the right:

✓ Correct! ✗ Not quite. Correct answer: a
Bound to implies high certainty.
Complete the dialogue. Dialogue Completion

A: Will he come? B: He is ___ to come.

✓ Correct! ✗ Not quite. Correct answer: d
Depends on the speaker's confidence.
Build a sentence. Sentence Building

Use: 'market', 'likely', 'to', 'recover'.

✓ Correct! ✗ Not quite. Correct answer: a
Correct word order.
Is the rule true? True False Rule

Can you use 'bound to' in the negative?

✓ Correct! ✗ Not quite. Correct answer: b
It is generally avoided.

Score: /8

Ubungsaufgaben

8 exercises
Fill in the blank with the correct form.

It is ___ to rain tomorrow.

✓ Correct! ✗ Not quite. Correct answer: d
All fit grammatically.
Choose the correct sentence. Multiple Choice

Which is correct?

✓ Correct! ✗ Not quite. Correct answer: a
Likely + to + infinitive.
Find the error. Error Correction

Find and fix the mistake:

It is bound to not happen.

✓ Correct! ✗ Not quite. Correct answer: c
Negative bound to is awkward.
Transform the sentence. Sentence Transformation

Change 'It will probably rain' to 'likely'.

✓ Correct! ✗ Not quite. Correct answer: a
Correct structure.
Match the meaning. Match Pairs

Match 'bound to' with its meaning.

✓ Correct! ✗ Not quite. Correct answer: a
Bound to implies high certainty.
Complete the dialogue. Dialogue Completion

A: Will he come? B: He is ___ to come.

✓ Correct! ✗ Not quite. Correct answer: d
Depends on the speaker's confidence.
Build a sentence. Sentence Building

Use: 'market', 'likely', 'to', 'recover'.

✓ Correct! ✗ Not quite. Correct answer: a
Correct word order.
Is the rule true? True False Rule

Can you use 'bound to' in the negative?

✓ Correct! ✗ Not quite. Correct answer: b
It is generally avoided.

Score: /8

FAQ (8)

No, these are for future predictions.

No, it is an adjective.

It sounds unnatural; 'unlikely' is the standard negative form.

Yes, but 'certain' is stronger.

It can be both, depending on the context.

'Likely' is an adjective; 'probably' is an adverb.

Yes: 'Is it likely to rain?'

Yes, 'expected to', 'due to'.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

In Other Languages

Spanish partial

Es probable que...

English uses infinitive; Spanish uses subjunctive.

French partial

Il est probable que...

English uses infinitive; French uses 'que' clause.

German partial

Es ist wahrscheinlich, dass...

English uses infinitive; German uses 'dass' clause.

Japanese moderate

~する可能性が高い

English uses modal adjective; Japanese uses noun phrase.

Arabic moderate

من المحتمل أن...

Arabic uses a prepositional phrase; English uses an adjective.

Chinese moderate

很可能...

English uses a full sentence structure; Chinese uses adverbs.

Learning Path

Prerequisites

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