新概念英语二册语法：一般现在时
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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”
carry → carries
(3)以“o， s， x， ch， sh”结尾的动词加“es”
goesdresses watches brushes
2.功能：
(1)表现在的事实、状态或动作：
eg： . Birds fly.
. Sheloves music.
. Mary'sparents 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 writesto me very often.
. Tom andhis girlfriend go out to take a picnic occasionally.
(3)表客观真理，格言警句或事实：
. Theearth moves round the sun.
. The sunrises in the east and sets in the west.
. Two andtwo makes four.
. No manbut 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！)
例如： . I'lltell her when shecomes tomorrow.
. Evenifit rains this afternoon， I'll meet you.
. Whateverhappens， you should keep cool-headed. (不错的句型，背下！！)
. I'll beright 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。
. The playbegins at 6：30 this evening.
. Whendoes the plane take off？
. Heleaves for that city next week.
.According to the timetable， the express train toShanghai 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. TheBrowns ________ a nice car and Brown's brother ________ a nice jeep.
A. have /have B. has / has C. have / has D. has / have
2. Iftheir house ________ not like ours， what ________ itlook like？
A. is / isB. 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. Thelittle child ________ not even know that the moon ________ around the earth.
A. do /move B. do / moves C. does / moves D. did / moved
5. Many astudent ________ fond of films， but a good studentseldom ________ to the cinema
A. are /goes B. is / goes C. are / go D. is / go
【练习答案】
1.C 2.B3.A 4.C 5.B