Mixed conditional

Conditionals

1. Mixed conditionals

Mixed conditionals are a combination of two different conditionals, usually between the second and third conditional.
IMG UNIT 01-01
If the instructions weren't so confusing, I would have already assembled the cupboard.
IMG UNIT 01-02
If I hadn't lost my keys, I wouldn't ask you to lend me yours.

2. Structure of mixed conditionals 

There are different structures of mixed conditionals, but we will focus on the two most common ones, which are a combination of the second and third conditional.

If + subject + past perfect, subject + would + verb in infinitive
If + subject + past simple, subject + would + have + verb in past participle
Remember the past participle will be formed by adding the particle -ed at the end of a regular verb, or by looking up the past participle form in the list of irregular verbs if the verb is not regular.

Other modal verbs such as could or might can be used instead of would:

  Mixed conditional
Would If I had seen the film, I would tell you what it's about.
If I had more money, I would have bought you a present.
Could If I had finished earlier, I could be there with you now.
If you knew the truth, you could have told me.
Might If you had gone to the doctor, you might feel better now.
If I weren't so shy, I might have asked her out.
Like all conditionals, the order of the two sentences can be changed. If we start with the condition (if) we will separate them by a comma. If we start with the sentence that expresses the result we don't put a comma.

3. How are mixed conditionals used?

We have two different structures, so their use will depend on what we want to express.

  • When we want to express that an action that took place in the past has a result in the present. In this case the part of the condition (if) will be in past perfect (third conditional) and the part that expresses the result will be with would + verb in infinitive (second conditional).
    If + subject + past perfect, subject + would + verb in infinitive
    IMG UNIT 01-03
    If I had taken the underground, I wouldn't be in a traffic jam.
    IMG UNIT 01-04
    If you hadn't gone to bed so late, you wouldn't feel sleepy now.
  • When we want to express a probable result in the past about a situation that is not real in the present. In this case the part of the condition (if) will be in past simple (second conditional), and the sentence that expresses the result will be with would have + verb in past participle (third conditional).
    If + subject + past simple, subject + would + have + verb in past participle
    IMG UNIT 01-05
    If I had more willpower, I would have given up smoking long ago.
    In this example, we express a probable result in the past (give up smoking) about a situation (have a will) that is not real or does not happen in the present.
    IMG UNIT 01-06
    If I were fitter, I would have finished the race.
    In this example, the likely result in the past (finish the race) would have occurred if the situation in the present (be fit) was different from reality (he is not fit at the moment).

Remember!

Structure
IF + PAST PERFECT + WOULD + VERB INFINITIVE IF + PAST SIMPLE + WOULD + HAVE + VERB PAST PARTICIPLE
Use
When we want to express that an action that took place in the past has a result in the present When we want to express a probable result in the past about a situation that is not real in the present
Examples
If you had eaten your lunch, you wouldn't be hungry now. If your answer were incorrect, I would have told you.