现在进行时的结构

2023-09-18 23:38:09   文档大全网     [ 字体: ] [ 阅读: ]

#文档大全网# 导语】以下是®文档大全网的小编为您整理的《现在进行时的结构》,欢迎阅读!
进行时,结构,现在
一■、概念

现在进行时表示说话时正在进行或发生的动作,也可表示当前一段时间内的活动 或现阶段正在进行的动作.

结构:助动词 be ( am / is / are ) +现在分词. 二、现在分词的构成:

1 .大多数动词后可在动词后直接加一ing .

Eg

carry-carrying , catch catching ,

enjoy enjoying

hurry-hurrying ,do doing , re

drink drinking , ad-reading , think-thinking 2 .如果动词以一e3.

结尾,那么去掉-e ,再加一ing , come-coming , have-having , make-

making,ride riding , write-writing,take-taking,use-using

如果动词只有一个元音字母,而其后跟有一个辅音字母时,将此辅音字母

双写,再加

-ing 如: hit hitting,let-letting , put-putting,run running , sit-sitting

4.如果动词有两个音节,且重音在第二个音节上,那么末尾的辅音字母双写, ing, 如: forget-forgetting , prefer-preferring,travel travelling

swim-swimming 5.

-ic 结尾的动词,应先把 -ic 变为 ick ,再加 ing , eg panic/panicking lie/lying ,die/dying ,tie/tying 是特殊变化要 记住.

三、句型结构:

1.现在进行时的肯定形式、否认形式、疑问形式及其答复,所有变化都表达在助 be ( is / am / are ) .

1)现在进行时的肯定形式:主语 +be (am/ is/are)+doing+ 其他成 I am singing . They are writing .

2)现在进行时白否认形式:主语+be (am/ is/are)+not +doing+ I am not singing .

3)

They

aren' t

writing .

Am I

singing ?

Yes

一般疑问句及答复:be (am/ is/are)+ 主语+doing+其他成 ,you are . / No ,

you aren' t

Are they writing ? Yes , they are . / No , they aren' t

4)特殊疑问句及答复:特殊疑问词 +be (am/ is/are ) +主语+doing+其他成 What are you doing ? We are playing

(要求就提问内容具体回

).

2 . 缩写形式如下

I

am- I'm

You are-- -You're

He is -------------- -He's She is--- She' s

It is ------------- -It's We are--- We re They are -They" re

.用法:

1 .表示现在( 指说话人说话时) 正在发生的事情.往往与 at the moment just 等副词连用,以示强调.

We are waiting for you. What are you doing? Some one's knocking at the door. 2 .正在进行着的动作可视为未完成的动 作: He' s talking to his friends in the classroom.

now,


still

3

一词强调动作的持续性

He's still talking to his friends in the classroom.

. 表示一段时间内重复性的动作,说话时动作未必正在进 . Mr. Black is writing another article.

4 .现在进行时可用来表示不会长期发生的动作或情况,或被认为在短期内正在进 的动作或存在的状

What's your brother doing these days? He's studying Engli sh at Oxford University. 5 .现在进行时也可以用来表示当前的动向:

People are becoming more and more beautiful these days.

表示渐变的动词有 become, turn,get,grow,run,go , begin . The leaves are turning brown. It's getting colder and colder. 7.always,constantly,forever 等词连用,表示反复发生的动作或持续存 在的状态,往往带有说话人的主观色彩.

6.

You are always changing your mind.

.用现在进行时完成以下句子

1 2 3 4

5 What 7 8 9 11 12 13 m 15

The naughty boy (swim) in the river. 14

What he(mend)? He(mend) a car.

These boys (play ) tennis on the playground. My mother (cook) in the kitchen.

_______________ the boy _________________________________ (write) his homework? Look! These butterflies _______________________________________ (fly) in the sky

Listen! The girl (sing) in the next roo We can' t help you,because we (have )classe s

you(sit ) in the boat ? he(talk) with me?

We(play)

you(do) ?

football now o you(fly)

a kite ? Yes, .

6 I(sing) an English song.

10

.选择

1 . Look Lucy is ___________________________ a new bike today A. jumping B. running C riding D takeing 2 The children __________________________ football A. is playing B. are playing C. play the D. play a




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