1 peter _swam__(swim) in the river last Sunday.一般过去式
He never_swims__(swim) on Sunday.一般现在时
He _was swimming__(swim) when Tom saw him that day.过去进行时
2 I_will have__(have) a long holiday next month.一般将来时
I__am going___(go) to the US.用现在进行时表将来
3 A:Where_did__your sister__go__(go) yesterday?疑问句,问过去发生的事情,用一般过去时态.
B:She__went__(go) to the library.She often_reads__(read) books there at weekend.第一个用“went”表示回答上面过去做的事,用一般过去式,第二个用reads,她周末经常在那（图书馆）看书,经常做的事,可用一般现在时,因为是第三人称,所以要加“s"
4 A:What_were__you __do__(do) when Liu Xiang won the game?过去时态
B:I__was watching__(watch)TV.I___was__(be) very excited.第一个：过去进行时 第二个：一般过去时
5 I did many things yesterday.First,I_met__(meet)a friend.Then,I_got_ (get) my haircut.
Next,I_did__(do)martial arts.After that,I_did_(do) my homework.都是一般过去时
6 The students__were___(be) in the class at 2:30 pm yesterday.
Tom __was talking__(talk)with Mike.Sally and Pat__were cleaning___(clean) the floor.
Andy_was drawing__(draw) a picture on the balckboard.
Our teacher Miss Chen__was watching___(watch) them.
后面三句都是用过去进行时表示过去持续做的动作.