10 предложений на first conditional

1) If it’s rainy tomorrow, I will buy you an umbrella.
2) When he comes, he will call us.
3) As soon as we get home, we will prepare everything.
4) Unless he pays, he will have to leave this flat.
5) After we prepare dinner, we will drink some juice.
6) Before we sign this contract, we will check everything.
7) If he is happy, we will be happy too.
8) When this war starts, I will be far away from here.
9) As soon as we receive this letter, we will destroy it.
10) Unless he arrives on time, everything will be fine.