Step 1【一般现在时】

1. 一般现在时：

肯定句：主语+do,

主语第三人称单数+ does

否定句：主语+don't+do

主语第三人称单数+doesn't+do

疑问句：Do+主语+do?

Does+主语第三人称单数+do?

表示按计划或安排好的，或将要发生的动作，可用一般现在时表将来。但只限于start,begin,leave,go,come,arrive,return,take place等位置转移的词。 例如：The train leaves at six tomorrow morning. 火车明天上午六点开。 He comes back tonight. 他今晚回来。

2. 时间标志语：usually, sometimes, often, seldom, never, every day

3.动词的第三人称单数构成

一、一般情况加s，例如：looks, listens, visits

二、以ch, sh, s, x或o结尾的词，加-es，例如：teaches, washes, guesses, goes, does

【练一练】

1.My mother ____(work) in a primary school and I ____ (study) in the same school.

2.I ____ (have) a bike and Ben ____ (have) a bike, too.

3. My sister ____ (be) a pupil. She ____ (study) very hard.

4. Who ___ (cook) breakfast for your family?

5. My father is a teacher. He ____ (teach) Chinese in a primary school.

6. He ____ (be) strong. He can ___ (carry) the heavy box.

7. John ____ (go) to school by bike every day.

8. Kate often ___ (play) table tennis with her friends.

9. My mother often ___ (go) shopping and ___ (buy) some vegetbales in the market.

10. --- Who ____ (study) hardest in your class?

Step 2 【一般过去时】

1. 一般过去时

肯定句：动词用过去式

否定句：didn't + 动原

疑问句：Did+动原

2. 时间标志语：before, ago, this morning, yesterday, last ...