Ex1
1. is doing
2. is shining // doesn't raining
3. rains
4. likes
5. lives
ex2
1. does
2. does
3. does
4. doesn't
5. does
ex3
1. He can give you an interesting book.
2. Uncle Albert is a funny man.
3. What do you have in your pocket?
4. What is he talking about?
5. She usually has dinner at two o'clock.
ex4.
1. the nicest
2. more delicious
3. smarter
4. bigger
5. more talkative
ex5.
1. were
2. played
3. gave
4. met
5. was
ex6.
1. must
2. must
3. mustn't
4. must
5. mustn't
ex7.
1. mad
2. interested
3. good
4. fond
5. keen