5, You ought not to chet in the exam.
6, Seuo , does this wallet belong to you ?
7, I think it will rain today.
8, We were shocked that an earthquake has occured.
9, I wonder if I could make a telephone call ?
10, Steve used to travel by bus.
11. This is the third time for peter ....
12, you don't have to buy ....
13, we are going to leave....
14, ...... , I will have finished ....
15, He is keen on buying ....
16, They might not know...