新概念第二册语法解析及练习:一般现在时

2011-12-22 00:00:00来源:互联网

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,seldom,occasionally,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

KEYS

1. C 2. B 3. A 4. C 5. B

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