一、 mistake with a/an,some,much or many
二、mistake with the psat simple
1.Was your friend at school yesterday?
2.There weren't many people at the party last night.
3.Where were you born?
4.We cooked lunch for the family last sunday.
5.Petra studied history when she was at university.
6.They didn't live here in 2003.
7.We stopped painting when it started to rain.
8.I watched the film but i didn't like it.
三、mistake with the past simple or with past time expressions.
1.Antonio went to the stadium yasterday.
2.Did they have a good time at the concert on saturday?
3.They were in the best team.
4.I didn't eat much for lunch yesterday.
5.What did he watch on tv last night?
6.The film began at 8 o'clock and finished at 9.30.
7.Where did you meet elizabeth?
8.Anna left the swimming pool an hour ago.