新概念英语第二册语法学与练：一般现在时
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
（答案请见下页）
KEYS
1. C 2. B 3. A 4. C 5. B
(编辑：赵颖茹)
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