Держи:
1 - If you do not buy her a present, she will be sad.
2 - Sia will become a doctor if he passes his exams.
3 - If we do not go to the beach, we will swim in the sea.
4 - If I run quickly, I will not arrive late.
5 - They will feel hungry later if they do not eat now.
6 - Yusuf will buy a new wallet if he goes into town.
7 - I will walk home if it is cold.
8 - If Ada does not win, she will not get the prize.
9 - If you do not listen to the teacher, you will not understand the homework.
10 - We will make sandwiches if we feel hungry.