一般现在时

1. 意义：1）表示现在经常发生的或习惯性的动作。

She  catches     a No.6 bus at six every morning. (catch)

2）表示主语现有的特征。

He __likes______ English very much.(like)

3）表示客观事实和普遍真理。(在宾语从句中)

The sun   rises    in the east. (rise)

The teacher said there ___are_____12 months in a year.(be)

4) 在时间、条件状语从句，从句用 一般现在时表将来,即主将从现.条件句引导词if/ unless ;时间状语从句引导词 when, before, after, until, as soon as

I’ll help him if he __has___(have )any trouble.

2标志词: every morning/day/week/year，on Sundays，  in the afternoon/evening ，

表频率的副词always, usually, often, sometimes, hardly ever, never, once/ twice/….a week，

3. 构成：主语（其他人称）＋ 动词原形;

主语（单三）    ＋ 动词变单三

Liu Ming usually          TV after supper. (watch)

Sometimes we _______football in the afternoon.(play)

4. 动词的第三人称单数形式

1) 一般在动词后加s

2）以辅音字母加y结尾的，变y为i加es。

3）以s, x, ch, sh, o 结尾的, 加es。

5.一般现在时的被动: am/is/ are +P.P.

).She often meets her friends during the holidays.

Her friend ____ ______ _______ during the holiday.  (is often met)

2).We visit the museum every Sunday.

The museum _____ _________ every Sunday.  (is visited)

3）They don’t plant trees in winter.

Trees ______ ________ in winter.  (aren’t planted )

4）Do they sell books in that shop?

______books ______ in that shop?  (Are, sold)

5）Where does mum keep flowers?

Where ______ flowers ________?    (are, kept)

4、句型转换