第1个回答 2008-10-06
1 was 一般过去时
2 Did go 一般过去时
3 has joined 过去完成时
4 are swimming 现在进行时
5 will 一般将来时
6 题目是不是有问题？
7 had cleaned 过去完成时
8 has studied 现在完成时
9 had received 过去完成时
10 is working 现在进行时
11 didn't visit 一般过去时
12 was 一般过去时
13 leaved 一般过去时
14 was having 过去进行时
15 writes(?) 一般现在时
16 won't go 一般将来时
17 is singing 现在进行时
18 saw 一般过去时
第2个回答 2008-10-06
1.was
2.Did go
3.has joined
4.are swimming
5.will be
6.when will they come back?（是不是打错了？）
7.cleaned
8.has studied
9.had received
10.does work
11.did not visit
12.was
13.left
14.was having
15.writes
16.won't go
17.is singing
18.saw
第3个回答 2008-10-06
1.Li ping _is__(be) a doctor five years ago 现在时
2.Did___he_go__(go) to school yesterday? 过去
3.She has joined___(join) the army Sinle 1980 现在完成
4.Look. Some boys_are swimming__(Swim) in the river 现在进行
5.My paperts_will be___(be) in Shanghai! tomomow 将来
6.When thet_will come__(come) back? Next month 将来
7.Tom was cleaning___(clean)the room before their tencher Came in 过去进行
8.He_has been studying__(study) English for 6 years 现在完成进行
9.By the end of last month I have received___(receive) 3 letters. 现在完成
10.Where_does__your brother_work___(work) now? 现在
11.She_did not visit__(not visit) her uncle last week 过去
12.I_was__(be) born in 1976 过去
13.In 2003 he_left__(leave)School 过去
14.yesterday when Icame in he_was having__(have) dinner 过去进行
15.He_writes__(ureit) a diary every day 现在
16.I_will not go__(not go) to the zoo next week 将来
17.Now. She_is singing__(Sing) in the room 现在进行
18.Tom and peter_saw__(See) a film yesterday 过去
第4个回答 2008-10-06
1.was过去一般时态
2.How did he go to school yesterday?过去一般时态
3.has been in 现在完成时态
4.are swimming现在进行时态
5.will be一般将来时态
6.when will they come back ?一般将来时态
7.had cleaned过去完成时态
8.has studied现在完成时态
9.had received过去完成时态
10.is...working现在进行时态
11.didn't visit 过去一般时态
12.was过去一般时态
13.left过去一般时态
14.was having过去进行时态
15.writes现在一般时态
16.won't go一般将来时态
17..is singing现在进行势态
18.saw过去一般时态
第5个回答 2008-10-06
Kid, do your won homeowrk. It's good for you. :)