Please use short forms e.g. haven't instead of have not in negative statements and use long forms in positive statements e.g. I am instead of I'm.
1. If you (lend) me some money, I'll help you with the washing-up.
2. If you help me with this project, I (take) you to the most expensive restaurant in this city.
3. If the weather (be) good, we'll go to to the park.
4. If it (stop) raining, you'll be able to go out.
5. If it (keep) snowing, we won't be able to get to school.
6. I won't visit her if she (not apologise) to me.
7. If you pass the exam, we (buy) you a new bike.
8. I'll give you my book if you (give) me yours.
9. If you go to your mother, I (stay) at home.
10. I (have) a shower if you don't mind.
11. If you drink this coke, you (get) a cold.
12. If she (win), she'll be the youngest winner of this competition.
13. It (not work) if you don't turn it on.
14. If you clear your room, I (help) you with your homework.
15. I (not go) home if you don't give me my money back.
2. The actors (have been rehearsing) since early morning; now they (are going over) the first scene as they (are not) satisfied with their acting.
3. Here you (are) at last! I (have been waiting) for you for twenty minutes. Aren't you ashamed?
4. She (has been speaking) over the tele-phone long enough, it (is) time for her to stop talking.
5. Since you (have been keeping) late hours this week you (look) tired and worn out.
6. It (has been snowing) steadily the whole week and it is still (snowing). If it (goes) on like this nobody will be able to reach the camp.
7. At last you (have opened) the door! I (have been ringing) for an hour at least, it ( seems) to me.
8. My watch (has kept) good time ever since the first repair.
9. They (have been discussing) this questions ever since I (am) here and they (have not come) to any definite conclusion yet.
10. The typist (has missed) several words as she (has been talking) all the time.
11. The lecturer (has mentioned) this name several times but I cannot remember it. I (am going to write) it down as soon as he ( mentions) it again.
12. He (has been working) at the language all the time and (has make) great progress. His phonetics (is) perfect, only a slight accent ( remains)