必修一unit3語法表示將來時的結(jié)構(gòu).ppt

1、1.基本結(jié)構(gòu) (只用于第一人稱I/we) shall do (用于所有人稱) will do 2.be going to do表示即將發(fā)生的或最近打算 進(jìn)行的事。 We are going to have a meeting today. 今天我們要開會。 區(qū)別: be going tobe going to則表示事先經(jīng)過考 慮或做好計劃安排的. What _ you _(be)when you grow up? Would you like to come for supper. OK, thanks. I _ (bring) a bottle.,一般將來時的6個結(jié)構(gòu)形式:表示將來的動作或狀

2、態(tài),表示有跡象表明將要發(fā)生的動作時,要用 be going to Its so cloudy! It s going to rain! 3.be to do表示安排、計劃、決定、命令或 注定要發(fā)生的事. The bridge is to be built next year. 大橋?qū)⒃诿髂晷藿ā?4.be about to do 表示即將發(fā)生的動作, 意為：很快，馬上 不可跟表示將來的時間狀語 The meeting is about to begin. 會議馬上就開始。 重要句式:be about to dowhen 正要干.這時突然. I was about to go out when

3、the telephone rang.,5. go/come/start/move/leave/arrive等可用進(jìn)行 時態(tài)(be doing) 表示按計劃即將發(fā)生的動作 eg. I am leaving for Beijing tomorrow He is coming to see you this weekend. 6.一般現(xiàn)在時可表將來的動作，特別用于火車、 飛機(jī)、輪船等按時間表出發(fā)或到達(dá)的情況。 -When does your train leave? -It leaves at 4:49 this afternoon. 注：if，unless除非等引導(dǎo)的條件狀語從句 when,ti

4、ll/until,assoonas,before,after等 引導(dǎo)的時間狀語從句中,不可用will表示的將來時, 常用一般現(xiàn)在時或be to do表將來。 I will go home when she arrives. If he comes, Ill tell him the truth.,1.If they come, we _ a meeting. have B. will have C. had D. would have 2. Lets go out to play football, shall we? OK. I _. A. will coming B. be going to come C. come D. am coming 3.He _ to us as soon as he gets there. A. writes B. has written C. will write D. wrote 4. I