i saw Ann in the library yesterday.-you()her.she is still abroad为什么括号中选的是can't have seen?看到ANN不是过去发生的吗?为什么还用现在完成时呢?求讲解

i saw Ann in the library yesterday.-you()her.she is still abroad为什么括号中选的是can't have seen?看到ANN不是过去发生的吗?为什么还用现在完成时呢?求讲解 I saw [你]in the bookstore yesterday I saw him in the street是什么意思 I saw you working in the I Saw You Walking In The Rain I saw Ann ＿a green dress at the meeting . I think she looks better＿red.A dressed,in B put on, wear C wearing,in D wear ,put on.快答在线等 dead diedHe saw her lying in bed,_____.A.DiedB.Dead这个是什么句型?是不是这个句型：I saw him sitting beside Ann,watching tv I saw Ann Wearing a green dress at the school meeting.wear为什么要加ing而不加ed? last sunday I went to the children's palace .It was very big and beautiful.first,I saw the big hallI saw many interesting things in it,but I can't t________them.这是Ann参观少年宫后写的日记,把短文补充完整. ——I saw Ann ___ a green dress at the meeting.（请看下面,——I think she looks better___red.A.wear in B.wearing in为什么不用A.wear呢?see的用法不就是加do和doing两种用法吗?saw不是以前看的吗? I saw him yesterday afternoon=I saw him in the afternoon yesterday吗 i saw many animals at还是in the zoo 英语Last Sunday I saw Jim___(play)in the park zoo elephants I in the yesterday saw .连词成句 I saw many football__(play)in the school football field I saw some boys swimming in the pool.的中文翻译 I saw that girl in the movie.变为一般疑问句 last night i saw him______( hang ) out in the street.