FluencyLab

GrammarHub

B1+ Upper-intermediate
B1+ grammar contents
B1+Conditionals, wishes and regrets

Second and third conditionals

Contrast unreal present/future conditions with unreal past conditions and results.

Overview

What this grammar does

Contrast unreal present/future conditions with unreal past conditions and results.

Form and rules

How it works

1

Second conditional: if + past simple, would/could/might + base verb for hypothetical present/future meaning.

2

Third conditional: if + past perfect, would/could/might have + past participle for unreal past meaning.

3

The time reference determines the form: Is the imagined change about now/future, or about a completed past event?

4

Use were in formal/careful hypothetical be clauses, especially If I were you.

5

Do not put would in a standard if-clause; use the required past or past-perfect form.

A closer look

Meaning and use

Use were in formal/careful hypothetical be clauses, especially If I were you.

Do not put would in a standard if-clause; use the required past or past-perfect form.

Examples

See the pattern in complete sentences

If I had more time, I'd exercise more.

If I were you, I'd refuse.

If we'd left earlier, we would have caught the train.

She might have passed if she'd studied more.

If the office were closer, I could walk to work.

Common mistakes

What to avoid

If I had been only past regret more confident, I'd apply for the role.
If I were more confident, I'd apply for the role.

The imagined situation concerns the present, so second conditional fits.

If I knew now about the vacancy last week, I would have applied.
If I had known about the vacancy last week, I would have applied.

The unreal condition concerns a completed past time.

Ready to practise?

The test combines multiple choice, gap completion, error correction, and sentence building so students have to recognise and produce the grammar, not simply reread the rule.