1.I went to see my grandparents last week.
2.I had seen the film before you told me about it.
3.Mom didn't watch TV last night and she went to the aunt's.
4.Students of my class was playing football on the playground this time yesterday.
5.He said he would wait for me at the gate.
6.We plan to go surfing tomorrow.
7.We will be at an English class this time tomorrow.