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一般现在时是什么

一般现在时表示现在经常反复发生的动作、存在的状态或习惯性的动作。其构成形式有两种,一是句子的谓语动词为be(am, is, are),二是句中的谓语动词为实义动词。

 (1) be(am,is,are)动词:(作谓语动词时) 肯定句:主语+be动词(am,is,are)+其它。

如: ①I am a student.(主语+be动词+名词)    

 ②They are hungry.(主语+be动词+形容词)   

 ③He is out.(主语+be动词+副词)   

 ④That pen is mine.(主语+be动词+代词)   

 ⑤I am fifteen.(主语+be动词+数词) 

 ⑥The bike is under the tree.(主语+be动词+介词短语) 运用am,is,are写三个句子  

否定句:主语+ be(am,is,are) + not +其它。 

如:He is not a worker.他不是工人。 运用am,is,are写三个句子  
一般疑问句:Be(am,is,are) +主语+其它。 

如:-Are you a student? -Yes. I am. / No, I'm not. 运用am,is,are写三个句子 

特殊疑问句:疑问词+一般疑问句。

如:Where is my bike?  运用am,is,are写三个句子

特殊疑问句:

疑问词(what, where, who, when, which, whose, how, how many, how much, what shape, 

what colour,),找句子中有没有be动词(is, am或者are)或情态动词或者助动词 

(特殊疑问句:疑问词+be动词(is, am或者are)或情态动词或者助动词+其他?) 

 

(2)行为动词:主语+行为动词+(其它)

1.主语不是第三人称单数时,  

肯定句为:主语+动词原形+其它  

否定式为:主语+don't+动词原形+其它  

疑问句为:Do+主语+动词原形+其它?  

e.g.   ①We speak Chinese.  

②Do you speak Chinese?  ---Yes, I do. / No, I don't. 

③They don't speak Chinese.  写三个句子  

2.当主语是第三人称单数时: (he,she,it,A/An,单独的人或事物:Lily/book) 

肯定句为:主语+动词(词尾加s或es)+其它。  

否定式为:主语+doesn't+动词原形+其它.  

疑问句式:Does+主语+动词原形+其它?  

①He speaks English. 

②He doesn't speaks English. 

③- Does she go to work by bike? Yes, she does. / No, she doesn't. 写三个句子  

特殊疑问句:疑问词+一般疑问句。如:How does your father go to work? 

3.动词+s的变化规则

(1)一般情况下,直接加-s,如:cook-cooks, milk-milks 

(2)以s. x. sh. ch. o结尾,加-es,如:guess-guesses, wash-washes, watch-watches, go-goes 

(3)以"辅音字母+y"结尾,变y为i, 再加-es,如:study-studies 

(3)情态动词(作谓语动词时)(can,could,be able to,may,might,must,have to,need,shall,should,

will,would)时, 句子结构为:

肯定句:主语+情态动词+动词原形。  

否定句:主语+情态动词+not+动词原形 一般疑问句;情态动词+主语+动词原形+其他? 

特殊疑问句:疑问词+情态动词+主语+动词原形+其他? 

Eg: ① He can speak English. 

② Can I help you?  What can I do for you? 

在实际应用中,一般现在时常与以下时间状语联用: 

always, usually, often, sometimes, every week (day, year, month…), 

once a week, on Sundays ……

例句:He usually plays football on Sundays.  (责任编辑:王晓涵)