基本时态用法与练习
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八大时态具体用法
一、一般现在时
1.概念:表示现在的状态、经常的或习惯性的动作、客观真理或事实等。
2.连用时的时间状语:often always sometimes usually every day week year
3.构成:主语+is/am/are+其他成分He is an office worker.
主语(非第三人称单数)+动词原形+其他成分I get up at six everyday.
主语(第三人称单数)+动词s/es+其他成分My mother usually goes to work by bus
·否定形式与疑问句形式要注意动词变为原形。
√延伸:行为动词do一般现在时第三人称单数的构成规则(He she it)
1.一般动词,在词尾加s 如:works lives plays
2.以/s/ /z/等音素结尾的动词,词尾加es
3.以辅音字母加y结尾的词,改y为i加es
4.以辅音字母+O结尾的词,一般情况加es,读作/z/
5.特殊情况have has
练习:1.Jim usually_____(have) lunch at home.
2. Li Guanhua______(be) twenty years old.
3. How many students______(be) there in your class.
4.-_______ she_____(study) hard? - Yes,she_______.
5. Lucy and lily_________(not speak) Chinese.
6. My father ___________(not do) morning exercises every day.
7. She always_________(wash) her clothes on Sundays.
8._____your brother ______(like) playing football ? No, he ______.
二、一般将来时
1.概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事。
2.连用的时间状语:tomorrow / next week、year、month/in a few days.
3.表示将来时的常见形式:
A. Will + 动词原形(I/ we shall shall 用于第一人称)
B. Be going to +动词原形(1.表示计划安排要做的事2.表示现在的迹象推断未来可能发生某事)。
C. Be +to do 表示计划,责任或命令
D. Be about to do sth 表示正要做。
马上要做。
(不能与表示将来时间的状语连用)
E. Be +V.ing (go,come,leave,start,arrive,stay,fly,land,take off等动词可用现在进行时表示安排计划即将发生的动作eg:we are leaving for Qingdao.)
F. 一般现在时表将来(表示与生日,日历,课时安排等有关的动作,常用转移动词是:begin,come,leave,go,arrive,start,stop,return,open,close...)
·否定形式与疑问句形式要注意动词变为原形。
练习:1. There ___two meetings tomorrow atternoon.
A.are going to be
B.are going to have
C.is going to be
D.will have
2. The twins____to the cinema with their parents tonight.
A.will go
B.would go
C.are go
D. Went
3.- When ___we have the meeting ? - At 8.
A.are B shall C. Would D.will
4.- when___ you __for London? - Next week.
A.will ; leaving
B.are ;leaving
C. Shall;leaving
D.have; left
5.- What would you do if it_____tomorrow?
- We have to carry it on,since we’ve got everything ready.
A.rain
B.rains
C.will rain
D.is raining
6. My younger brother___be 15 years old next year.
A.is going to
B.will
C.is to
D.should
三、一般过去时。