19) I think it is going to rain this afternoon.
20) John spoke to Susan a minute ago.
21) If you ask him nicely, he will help you.
22) Would you like some coffee? No, thanks. I already had four cups today.
23) Have you ever had an argument with your parents about clothes?
24) I'm sure they will lose the match.
25) My neighbour has broken his leg. He has not played tennis this weekend.
26) If I had the receipt, I would return these jeans.
27) What would you like? I would like to have some orange juice.
28) If my brother doesn't arrive soon, I'll send him a text message.
29) I have not seen my grandparents since last summer.
30) If you found a purse, would you give it to the teacher?