5.
1. tried
2. ordered
3. phoned
4. played
6.
2. Did your friends play football yesterday? - Yes, they did.
3. Did you mom bake a cake last weekend? - Yes, she did.
4. Did you phone a friend an hour ago? - No, I did not.
7.
give - gave, didn't give, Did.....give?
go -went, didn't go, Did....go?
drink - drank, didn't drink, Did....drink?
think - thought, didn't think, Did....think?
wake - woke, didn't wake, Did....wake?
ride - rode, didn't ride, Did....ride?
have -had, didn't have, Did....have?
buy - bought, didn't buy, Did....buy?
8.
2. is cooking
3. are standing
4. is swimming
5. are staying
6. is having
7. are building
8. am going