[新概念英语] 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