Second Conditional in English

Hello English learners! The second conditional in English is used to talk about imaginary, unreal, or unlikely situations in the present or future and their possible results. In this lesson, you will learn the form of the second conditional, when to use it, how it is different from the first conditional, and which common mistakes to avoid.

What is the Second Conditional?

We use the second conditional to describe: imaginary situations, unreal situations, unlikely situations or hypothetical results in the present or future.

In other words, we use it when we imagine something that is not true now, or not very likely to happen.

Examples:

• If I had Brian’s phone number, I would call him.
  (But I do not have his phone number.)
• If I won the lottery, I would move to Bermuda.
  (But I have not won the lottery.)

Second Conditional Form

Here is the basic structure of the second conditional in English:

If + past simple, would + base verb

If I had more time, I would learn Italian.

You can also change the order of the clauses:

• If I had more time, I would learn Italian.
• I would learn Italian if I had more time.

Important punctuation rule:

When the if-clause comes first, use a comma:

• If you studied more, you would pass the exam.

When the main clause comes first, we usually do not use a comma:

• You would pass the exam if you studied more.

Second Conditional with Could and Might

Although would is the most common word in the main clause, we can also use could and might.

Could = possible ability or option

• If I had more money, I could buy a better laptop.
• If we left earlier, we could catch the first train.

Might = possible result, but less certain

• If I finished work early, I might go to Susan’s party tonight.
• If the weather improved, we might go on a picnic.

In careful or traditional grammar, we often use were instead of was after if, especially in hypothetical sentences.

• If I were you, I would buy a hybrid car.
• If Michael were here, he would explain everything.

In informal spoken English, some people do say if I was, but for learners it is safer to remember to use were for all persons.

That will keep both grammar books and examiners happy.

Second Conditional vs First Conditional

Learners often confuse the first conditional and the second conditional, so let us compare them clearly.

First conditional:

We use the first conditional for real or likely future situations.

If + present simple, will + base verb

• If I save enough money, I will travel around the world.
• If we take a taxi, we will not be late for the theatre.

These situations are realistic.

Second conditional:

We use the second conditional for unreal, imaginary, or unlikely situations.

If + past simple, would + base verb

• If I saved enough money, I would travel around the world.
• If we took a taxi, we would not be late for the theatre.

These situations are imagined, not presented as real plans.

Common Mistakes with the Second Conditional

1. Using would in the if-clause

This is one of the most common mistakes.

Incorrect: If I would have more time, I would learn French.

Correct: If I had more time, I would learn French.

Remember:

Do not use would after if in the second conditional.

Use:

• if + past simple
• would + base verb in the main clause

Can We Use Unless?

Yes, sometimes unless can replace if…not.

• I would not go to the dentist unless I had a toothache.
• I would leave now unless you still needed me.

However, learners should first feel confident with the standard if structure before experimenting too much with unless.

To sum up, we use the second conditional in English to talk about unreal, imaginary, or unlikely situations in the present or future.

FAQ: Second Conditional in English

What is the second conditional?

The second conditional is a grammar structure used to talk about imaginary, unreal, or unlikely situations in the present or future.

What is the form of the second conditional?

The form is:

if + past simple, would + base verb

Can I use would in the if-clause?

No. This is a common mistake.

Incorrect: If I would know the answer, I would tell you.

Correct: If I knew the answer, I would tell you.

Do we use was or were in the second conditional?

In careful grammar, we usually use were for all persons:

• If I were
• If he were
• If she were

What is the difference between the first and second conditional?

The first conditional is used for real or likely future situations. The second conditional is used for unreal or imaginary situations.

Download the Second Conditional Practice Worksheet in PDF here

Related posts:

• Conditionals in English
• First Conditional in English
• Third Conditional in English
• Mixed Conditionals in English
• If and Wish in English
• Hypothetical Language in English
• Alternatives to IF in English

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