Conditionals: typical errors
We don’t use will and would in the conditional clause:
-
If you book before April 30th, you will receive a 20% discount.
-
Not:
If you will book before April 30th, you will receive a 20% discount. -
If we had a bigger flat, we could invite friends to come and stay.
-
Not:
If we would have a bigger flat, we could invite friends to come and stay. -
If the weather hadn’t been so bad, I could have gone to meet them.
-
Not:
If the weather would not have been so bad, I could have gone to meet them.
We don’t use shall or will in the main clause in second conditional sentences:
- If you worked harder, you would earn more money.
- Not: …
you will earn more money.
We don’t use unless and if together:
- I’ll try to get there about 6.30 unless you want me to arrive earlier.
- Not:
I’ll try to get there about 6.30 unless if you want me to arrive earlier.