2)Can
3)couldn't
4)could
5)can
6)can't
7)Could
8)can
9) Can
10) couldn't
I put on jeans,t-shirt and sneakers to the party.
1. A manager of the department should participate in Business talks. 2. A senior student ought to do a research work. 3. Any person should see the dentist two times a year.4. A student ought to begin reading for an examination beforehand. 1. I had to tell you about it. I will have to tell you about it. 2. You had to go and see his recent pictures. You will have to go and see his recent pictures. 3. You had to settle it as soon as possible. You will have to settle it as soon as possible. 4. You had to go on a diet. You will have to go on a diet. 5. You had to visit your aunt. You will have to visit your aunt.