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