Cứu mình bài này với mọi người ơi

1. When did you design this wonderful skirt
--> Did+S+V1?
2.My mother did not crashinto the van.
--> S+didn't + V1?
3.The boys took off the mudguards of their bicycles.
4. Did you phone your aunt last week?
--> Did+S+V1?
5.He didn't drink milk at school.
-->S+didn't+V1?
6. The police arrested two people early this morning.
7.She went to Japan but now she has come back.
8.Dan has already bought two tablets this year.
9.How many gameshas your team wonsofar this season?
hoctot
HELLO1607