小学五年级一般现在时精讲和精练教案设计

一般现在时

一.含义：一般现在时表示经常、反复发生的动作或存在的状态．

2. 用法：1）表示经常、反复发生的动作，现存的习惯或状态。

I am a teacher. We are Chinese.

2）表示客观事实或普遍真理。例如：

There are seven days in a week. The earth goes round the sun.

3）表示安排或计划好的未来的动作，只限于go, come, leave, start, stay, return, arrive, begin, be 等动词。例如：

My train leaves at 6:30 this morning.-

How long do you stay here?

4）表示主语的特征、性格、能力等。

Tom studies very hard. She is always ready to help others.

二、.时间状语

一般现在时常和 always, often, usually, every day/month/year,once a week,on Sundays sometimes等表示时间的状语连用．

二. 构成及变化

1.be动词的变化。

肯定句：主语+be(am,is,are)+其它。如：I am a boy.我是一个男孩。

否定句：主语+ be + not +其它。如：He is not a worker.他不是工人。

一般疑问句：Be +主语+其它。

如：-Are you a student? 肯定回答：-Yes. I am. /否定回答： No, I'm not.

特殊疑问句：疑问词+一般疑问句。如：Where is my bike?

2. 行为动词的变化。

1）、行为动词在一般现在时中的用法：一般人称的谓语动词用原形.，但单数第三人称做主语时谓语动词词尾发生变化：即.动词词尾加-s；或.-es，

动词遇到单数第三人称时的表示方法

在一般现在时中, 当主语是单数第三人称时, 行为动词的形式是在词尾加 -s 或–es

具体方法如下：

(1)多数动词直接加s:

runs gets likes collets takes plays climbs…….

(2)结尾是s, x, sh, ch, o,前为辅音字母,

结尾加es : watches teaches goes does washes crosses mixes brushes

(3)动词末尾y前为辅音:将y改为i加es: study→studies fly→flies

carry→carries

cry→cries

但在y前如果为元音则直接加s: buys says

注意: 动词加 -s 以后的读音.

1.在[p] [t] [k] [f] 等清辅音后，发清辅音 /s/ eg. helps , works,

likes,hates ,laughs

2.在浊辅音和元音后，发浊辅音 /z/ eg. drives, cleans, plays

3.在[s] [z] [∫ ] [ ] 后，发 /iz/ eg. rises, wishes, teaches, urges

4.在[t] [d]后，发 /ts/ /dz/ eg. fits, sets, needs

5. 其他情况下发[z] eg. plans, cries, shows

2、.否定形式：主语是第三人称单数，在行为动词前加doesn’t. 行为动词变为原形。其余人称作主语时，都在行为动词前加don’t

He likes reading books. 变否定句 He doesn’t like reading books.

I like playing football. 变否定句 I don’t like playing football.

3、.一般疑问句：主语是第三人称单数的，将助动词does提前，行为动词变为原形。其余人称作主语，将助动词do提前，句号变问号。主语I ,we 变you ; some 变any .

1).He likes reading books. 变一般疑问句：Does he like reading books?

肯定回答：Yes, he does. 否定回答：No, he doesn’t.

2).I like playing football. 变一般疑问句： Do you like playing football?

肯定回答：Yes, I do.否定回答：No, I don’t.

3).We like nice flowers. 变一般疑问句：Do you like nice flowers?

肯定回答：Yes, we do.否定回答：No, we don’t.

一般现在时：表示经常性的事情。

1、时间状语：often经常, usually通常, always总是， every每个, sometimes有时， at…在几点钟

注意：只有第三人称单数用动词三单，其余动词均用原形

三单变化：

1)、多数在动词后加s ：play—plays like—likes

2)、以s，x，sh，ch，o结尾的动词加es ：go—goes wash--washes

3)、以辅音字母加y结尾，把y改i再加es ：fly—flies

练一练

1.We often___________(play) in the playground.

2. He _________(get) up at six o’clock.

3.__________you _________(brush) your teeth every morning.

4. What (do) he usually (do) after school?

5. Danny (study) English, Chinese, math, Science and Art at school.

6. Mike sometimes __________(go) to the park with his sister.

7. At eight at night, she __________(watch) TV with his parents.

8.________ Mike________(read) English every day?

9. How many lessons _________your classmate________(have) on Monday?

10. What time _________his mother_________(do) the housework?

改句子

1.Do you often play football after school? (肯定回答)

2.I have many books. （改为否定句）

3.Gao Shan’s sister likes playing table tennis （改为否定句）

4.She lives in a small town near New York. （改为一般疑问句）

5.I watch TV every day. （改为一般疑问句）

6.David has a goal. （改为一般疑问句）

7.We have four lessons.（否定句）

8.Nancy doesn’t run fast （肯定句）

9.My dog runs fast. （否定句，一般疑问句）