First conditional - exercises with answers

Exercises

Make the first conditional sentences with similar meaning.

I'll give you my telephone number. I might be late.
In case I'm late, I'll give you my telephone number.

Go to Corfu on your holiday. I'm sure you will like it.

If you to Corfu on your holiday, I'm sure you it.

Don't hurry. You will not make mistakes.

Unless you mistakes.

Will you see her tomorrow night? Say hello to her.

If you her tomorrow night, hello to her.

Be careful. You will not fall down.

Provided that you careful, you down.

You mustn't panic during the driving test. You will manage it.

If you during the driving test, you it.

Marion may be late tonight. But she'll have my keys.

In case Marion late tonight, she my keys.

Derek won't be at your birthday party. I won't go there.

I to your birthday party if Derek there.

You don't have enough practice. You will never understand English grammar.

You English grammar unless you enough practice.

Sarah shouldn't refuse to work long hours. She will get a pay rise.

Sarah a pay rise on condition that she to work long hours.