新概念英语第二册语法讲解:一般现在时

所属专题:新概念英语第二册语法讲解  来源:互联网    要点:新概念英语第二册  
编辑点评: 今天给大家介绍的是时态总结,基本涵盖了现今我们所使用的各种时态,其中一般现在时是最常见,也是用处最广泛的一种,具体什么叫做一般现在时呢?让我们进行接下来的学习吧!

 

一般现在时:

 1.构成:使用动词原形,第三人称单数须有变化。

(1)直接加“s”,works,takes

(2)以辅音加“y”结尾,变“y”为“i”,再加“es”

(3)以“o, s, x, ch, sh”结尾的动词加“es”
      goes    dresses     watches     brushes

2.功能:

(1)表现在的事实、状态或动作:
eg ►. Birds fly.
    ►. She loves music.
    ►. Mary's parents get up very early.

(2)表习惯性动作或职业,常与often,sometimes,usually,always,every week,seldomoccasionally,frequently等时间副词连用。
eg ►. I always take a walk after supper.
    ►. She writes to me very often.
    ►. Tom and his girlfriend go out to take a picnic occasionally.

(3)表客观真理,格言警句或事实:
eg ►. The earth moves round the sun.
    ►. The sun rises in the east and sets in the west.
    ►. Two and two makes four.
    ►. No man but errs. 人非圣贤,熟能无过。

(4)表将来:
A.在由when,after, before,as,as soon as,although,because,if,even if,in case,till,until,unless,
so long as,where,whatever,wherever 等引导的状语从句中用一般现在时表将来发生的动作。
(黄金重点,所有考试都不放过它!)
eg ►. I'll tell her when she comes tomorrow.
    ►. Even if it rains this afternoon, I'll meet you.
    ►. Whatever happens, you should keep cool-headed. (不错的句型,背下!!)
    ►. I'll be right here waiting for you wherever you go.(很感人的句型!)

B.按时间表示将要发生的动作或事件,用一般现在时表达将来时概念。
eg ►. The play begins at 6:30 this evening.
    ►. When does the plane take off?
    ►. He leaves for that city next week.
    ►. According to the timetable, the express train to Shanghai starts at nine in the morning.
(按照时刻表,开往上海的特快列车早上 7 点出发。)

测试精编

1. The Browns ________ a nice car and Brown's brother ________ a nice jeep.
A. have / have     B. has / has       C. have / has      D. has / have

2. If their house ________ not like ours, what ________ it look like?
A. is / is          B. is / does       C. does / does      D. does / is

3. - ________ you think he will come?   - If it ________ tomorrow, he will not come.
A. Do / rains      B. Are / rains      C. Do / will rain    D. Are / will rain

4. The little child ________ not even know that the moon ________ around the earth.
A. do / move      B. do / moves      C. does / moves    D. did / moved

5. Many a student ________ fond of films, but a good student seldom ________ to the cinema.
A. are / goes      B. is / goes         C. are / go        D. is / go

(后设答案,大家不要偷看哦~(*^__^*) 嘻嘻……)

KEYS

1. C    2. B    3. A    4. C    5. B

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