4) if I see, I'll tell
5) will buy, I ask
6) what will you do, you fail
7) who will help, you're in difficulty
8) mum likes, she will let
9) I'll take, it rains
10) she will learn, she has
11) will you forgive, if you know
12) if it's cold, I'll put
13) plane arrives, I'll come
14) if you are out, I'll leave
15) we will watch, if you recommend
16) if he has, he will go
17) if there is, we will eat
18) if it is, we will go
19) I'll let you know, we decide
20) if she stays, she will cook