必修一unit3語法表示將來時的結構.ppt

1、1.基本結構 (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個結構形式: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. 大橋將在明年修建。 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、輪船等按時間表出發(fā)或到達的情況。 -When does your train leave? -It leaves at 4:49 this afternoon. 注：if，unless除非等引導的條件狀語從句 when,ti

4、ll/until,assoonas,before,after等 引導的時間狀語從句中,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