Open the brackets and put the verbs in the correct tenses.

If Carl …………….. (not/come) to the party, I ………… (be) really upset.

If I …….. (be) late this evening, don’t wait for me.

I ………….. (call) you if you ………… (give) me your phone number.

If you ………. (eat) too much, you ………… (feel) ill.

It it ………….(rain), the road ……….. (be) wet.

If dogs …………. (eat) chocolate, it ………… (make) them ill.

Change the sentences using “unless”.

You will stay home if you don't come with us.

You will stay home unless you come with us.

1. You can't win the lottery if you don't buy a ticket.

2. I will trash your sandwich if you don't want to eat it.

3. I won’t go to the party if Carol doesn’t invite me.

4. If you aren't tired, let's go out.

5. You can't earn more money if you don’t work harder.

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