现在时

标志词

现在进行时的概念

谓语构成： am/is/are + doing

表示说话时正在进行的动作

–Hi,let's go skating.
–Sorry,I'm busy right now.I___in an application form for a new job.
A. Fill B. have filled C. am filling D. will fill

What are you doning?I___an interesting book.
A. am reading B. read C. was reading D. will read

What___your sister doing? She___cleaning the floor.
A. are,is B. does,is C. is,is D. will be,is

表示当前这个时间段或现阶段正在进行的动作（说话时未必在进行）

Since I won the big prize, my telephone hasn't stopped ringing. People___to ask how I am going to spend the money.
A. Phone B. will phone C. were phoning D. are phoning

过去进行时的概念

谓语构成：was/were + doing

表示过去某一时刻正在进行的动作

–Did you catch what i said?
–Sorrr.I___a text message just now.
A. had answering B. have answered C. would answer D. was answering

表示当前这个时间段或现阶段正在进行的动作（说话时未必在进行）

–I don't understand why you didn't go to the lecture yesterday afternoon.
–I'm sorry.But I___my homework.
A. had done B. was doing C. would do D. am doing

将来进行时的概念

谓语构成：shall（主语时I或we）/will + be + doing

基本用法：表示将来某一时刻或某一阶段正在进行的动作

Jane can't attend the meeting at 3 o'clock this afternoon because she___a class at that time.
A. will teach B. would teach C. has taught D. will be teaching

进行时表将来

表示位移的动词和词组如：arrive,come,drive,fly,go,leave,start,travel,stay,remain,land,close,begin,open,move,finish,takk off和动词do与have（表示吃、喝），可以用进行时表示将来时间。
此时,在句中或在上下文中通常有表示将来时间的状语，否则意义便会含糊不清：
I'm going to the park this Sunday.
He is leaving tomorrow.

We___very early so we packed the night before.
A. Leave B. had left C. were leaving D. have left

进行时表示没有完成

–Has Sam finished his homework today?
–I have no idea.He___it this morining.
A. did B. das dome C. was doing D. had done

用进行时表示暂时的情况

I don't really work here, but I___until the new secretary arrives.
A. just help out B. have just helped out C. am just helping out D. will just help out

be后跟表示活动、行为类的形容词作表语时可以用于进行时，表示“短暂的行为或状态”。

I wasn't sure if he was really interested or if he___Polite.
A. was just being B. will just be C. had just been D. would just be

进行时和always连用，表示“赞赏”“反对”“埋冤”等情绪

–Look! You've made the same mistake again!
–Oh, not again!___such a mistake.
A. I will always make B. I'm always making C. I've always made D. I always made