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讲义一般现在时的讲解

2021-08-04 来源:易榕旅网


一般现在时的讲解

一、一般现在时定义:

①经常性、习惯性的动作或存在的状态。

I go to school on foot.

②表示主语现在的性格、特征、能力。

He can swim.

③表示客观真理。

The sun is bigger than the moon.

二、一般现在时的构成:有两种结构

1、当谓语动词是be 动词am, is ,are时,

1)肯定句式 主语 + am/ are/ is + 其他。

2)否定句式 主语 + am/ are/ is + not + 其他。

3)一般疑问句

Am/ Is/ Are + 主语 + 其他?

肯定回答 Yes, 主语+ am/ is/ are

否定回答 No, 主语+ am/ is/ are + not(必须用缩写形式 isn't/aren't)

Danny is a good student.

Danny______ a good student.

____ Danny a good student?

Yes, she ___. \\ No,she ____.

2、当谓语动词是行为动词(实义动词)时

1)当主语是第一人称 (I / we) ; 第二人称 (you) 及第三人称复数 (they及复数的名词)时:

①肯定句 主语 + 行为动词原形 + 其他

②否定句 主语 + don’t + 行为动词原形 + 其他

③一般疑问句 Do + 主语 + 行为动词原形 + 其他

肯定回答 Yes, 主语(必须是代词)+do

否定回答 No, 主语(必须是代词)+don’t

They have lunch at 12:00.

They ______have lunch at 12:00.

______ they have lunch at 12:00?

Yes, they _____.

No, they ____ .

2)当主语是第三人称单数 (she/ he/ it及单数的名词) 时

①肯定句 主语 + 行为动词的单三形式 + 其他

②否定句 主语 + doesn’t + 行为动词原形 + 其他

③一般疑问句 Does + 主语 + 行为动词原形 + 其他

肯定回答 Yes, 主语(必须是代词)+ does

否定回答 No, 主语(必须是代词)+ doesn’t

Jenny ________(说) English very well.

Jenny _________(否定句)English very well.

_______Jenny speak English very well?

Yes, she ______ No, she _______

三.动词第三人称单数词尾变化有三种形式:与可数名词的复数规则相同

(1)一般动词在词尾加-s,-s在清辅音后读/s/,在浊辅音或元音后读/z/,ds读/dz/,ts读/ts/。如: help→helps,know→knows,get→gets,read→reads (2)以字母s,x,ch,sh或有些以o结尾的动词加-es,-es读/iz/。如: guess→guesses,fix→fixes,teach→teaches,wash→washes 注意:go→goes do→does (3)以辅音字母+y结尾的动词,先变 y为i,再加-es,-ies读/iz/。如: carry→carries,fly→flies 注:在play→plays/pleiz/,say→says/sez/中,字母y前为元音字母,第三人称单数形式直接在动词后面加-s。

(4)特殊词例外。如:be→is,have→has 练习:一

( )1. I ________to school at 7:00 in the morning.

A. go B. going C. goes

( )2. They _______books every day in the library.

A.reads B. read C. reading

( )3. The monkey________ eating bananas very much.

A.like B. likes C. liking

( )4. My father ________to read newspaper after supper every day.

A.like B. likes C. liking

( )5. I like watching TV, but my mother _________like it.

A. don’t B. doesn’t C. Does

二,写出下列动词的单三形式

do________ like________ pass__________ carry ____

have___________ watch________make __________ look ____

drink ___________ fly___________ study_______ stay __________

say_______ learn ___________ buy__________ sing___________

三,按照要求改写句子

1. Daniel watches TV every evening.(改为否定句)

2. I do my homework every day.(改为一般疑问句,作否定回答)

3. She likes milk.(改为一般疑问句,作肯定回答)

4. I like taking photos in the park.(对划线部分提问)

5. John comes from?Canada.(对划线部分提问)

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