Conditionals: third and mixed

Conditionals: third and mixed

Do you know how to use third conditionals and mixed conditionals? Test what you know with interactive exercises and read the explanation to help you.

Look at these examples to see how third and mixed conditionals are used.

We would have walked to the top of the mountain if the weather hadn't been so bad.
If we'd moved to Scotland when I was a child, I would have a Scottish accent now.
If she was really my friend, she wouldn't have lied to me.

Try this exercise to test your grammar.

Read the explanation to learn more.

Grammar explanation

Do you know how to use third and mixed conditionals?

Third conditionals and mixed conditionals

Conditionals describe the result of a certain condition. The if clause tells you the condition (If I hadn't been ill) and the main clause tells you the result (I would have gone to the party). The order of the clauses does not change the meaning.

If I hadn't been ill, I would have gone to the party.
I would have gone to the party if I hadn't been ill.

Conditional sentences are often divided into different types.

Third conditional

The third conditional is used to imagine a different past. We imagine a change in a past situation and the different result of that change.

If I had understood the instructions properly, I would have passed the exam.
We wouldn't have got lost if my phone hadn't run out of battery.

In third conditional sentences, the structure is usually: If + past perfect >> would have + past participle.

Mixed conditionals

We can use mixed conditionals when we imagine a past change with a result in the present or a present change with a result in the past.

1. Past/Present 

Here's a sentence imagining how a change in a past situation would have a result in the present.

If I hadn't got the job in Tokyo, I wouldn't be with my current partner.

So the structure is: If + past perfect >> would + infinitive.

2. Present/Past

Here's a sentence imagining how a different situation in the present would mean that the past was different as well.

It's really important. If it wasn't, I wouldn't have called you on your holiday.

And the structure is: If + past simple >> would have + past participle.

Do this exercise to test your grammar again.

Average: 4.3 (189 votes)

Hello again Shetu Yogme,

I think in this case the past perfect is better: If I hadn't been in the middle... would have been happy...

You could argue that the speaker is still in the middle of the meeting - it has not finished at the time of speaking - and so the condition is ongoing. However, this is irrelevant to the action in the main clause. What mattered was that the speaker was busy at the time of the request, not whether or not the meeting continues.

 

Peter

The LearnEnglish Team

Hello Peter,

I have also the same opinion. The correct sentence should be:

If I hadn't been in the middle of another meeting, I would have been happy to help you.

I picked up this sentence from the following website:

https://www.ef.com/wwen/english-resources/english-grammar/mixed-conditional/

I think some sources in the Internet have a plenty of errors in terms of grammar and logic in the content they offer on English Grammar.

 

Shetu Yogme

Submitted by Farhat-R on Wed, 16/07/2025 - 11:48

Permalink

Dear Trainer, 

Could you please write 3-5 sentences (using conditionals: third and mixed) as an example, which we typically use in our daily conversations? 

Hello Farhat-R,

Here are some examples for you:

  • If I hadn't gone to the party, I wouldn't have met the woman I ended up marrying.
  • I would have failed my exams if I hadn't had such a wonderful teacher.
  • If I had driven more carefully I wouldn't be in the hospital now.
  • I would be richer if I had never bought any lottery tickets!
  • If he weren't such a rude person, we wouldn't have got into that fight.

 

Peter

The LearnEnglish Team

Submitted by JScar92 on Wed, 09/07/2025 - 17:13

Permalink

Hello, I have a question.
In the Mixed conditional (present/past) using the verb "to be," can I use "was" in the first and third person singular?
For example:
"If she wasn't diabetic, she would have eaten pasta."
Or "If I wasn't a good person, I wouldn't have helped you."

Or should I use "were" instead of "was" as in the Second conditional?
Thank you.

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