1. He went to the toy store yesterday.
2. I was born in Beijing.
3. Tom finished his homework last night.
4. I played football yesterday.
5. She watered the plants yesterday.
6. He was a TV reporter last year.
7. They cooked rice.
8. I was an English teacher one year ago.
9. He bought a pen.
10. We were together yesterday.
这些句子都符合一般过去时的肯定句结构：主语 + 动词的过去式 + 其它。