1、 用括号里的动词的适当形式填空 2、 填空完后把句子改成否定句和一般疑问句
(1) Peter______________(swim) in the river last Sunday.
(2) He never ______________ (swim) on Sunday.
(3) He ____________________ (swim) when Tom saw him that day.
2、（1） I_________________ (have) a long holiday next month.
（2） I_____________________ (go) to the US.
例句：
(1) Peter____swam__________(swim) in the river last Sunday.
否定句：Peter didn’t swim in the liver last Sunday .
一般疑问句:Did Peter swim in the liver last Sunday