人教版八年级英语上时态讲义及练习

发布 2022-12-10 05:42:28 阅读 2088

时态。一般现在时。

一.动词变化:一般现在时主要用动词原形表示,但第三人称单数后要加词尾-s,另外be和h**e有特殊的人称形式。

在加词尾-s时要注意:

二.一般现在时表示:

1)表示现在的状态, 例如:he’s twelve.

2)表示经常性的或习惯性的动作, 常与often, usually, sometimes, always, every day等表示经常性的或习惯性的时间状语连用。例如:i go to school every day.

3)表示主语具备的性格和能力, 例如:she likes apple.

4)表示客观、普遍的真理。two and four makes six.

三句型。1. 肯定句结构: 主语+be动词/行为动词+宾语/表语。

1) 行为动词:

a. 主语为第。

一、二人称、复数人称时(i, you, we, they, the boys),主语+动词原形+宾语。

they go to school every day.

b.主语为第三人称单数时(it, he,she, lily),主语+动词s/es+宾语。

lily often likes singing.

2)系动词(be): 主语+系动词+表语。

i am...they/we/you are… he/she/it is…

2.否定句结构: 主语+be动词/行为动词+宾语/表语。

1) 行为动词:

a. 主语为第。

一、二人称,复数人称时,主语+don’t+动词原形。

they don’t go to school every day.

b.主语为第三人称单数时,主语+doesn’t +动词原形。

lily doesn’t like singing.

2)系动词(be): 主语+is/am/are后加not+表语。

i am not a worker.

3. 一般疑问句结构:

1)行为动词。

a. 主语为第。

一、二人称,复数人称时, do+they/we/you+动词原形。

do they go to school every day? (yes, they do. no, they don’t.)

b.主语为第三人称单数时, does +he/she/iit+动词原形。

does lily often like singing? (yes, she does. no, she doesn’t.)

2) 系动词(be): is/am/are+主语+表语

are you a worker? (yes, i am. no, i’m not.)

4.特殊疑问句结构。

特殊疑问词(what, how often, which, where,who)+一般疑问句?

1)行为动词

what do they do every day?

how often does peter go fishing?

2) 系动词(be):

who is the girl at that gate?

一般过去时。

一.动词变化:一般过去时主要表示过去的动作或状态,在句中由主语+动词的过去式来表达。

二.一般过去时表示:

1)表示过去某个时间发生的动作或存在的状态。常与yesterday…, last…, ago, in1990等表示过去状态的时间状语连用,如what did you h**e for breakfast this morning?

2)表示过去某一段时间内经常或反**生的动作,这时常和表示频度的状语连用,如last term we often did experiments.

三.句型。1. 肯定句结构:

1) 行为动词: 主语+动词的过去式。

the twins went to school two hours ago.

2) 系动词(be): i/ he/she/it+was… they/we/you+were…

i was at home last night.

2.否定句结构:

1) 行为动词: 主语+didn’t+动词原形。

the twins didn’t go to school two hours ago.

2)系动词(be): 主语+wasn’t/weren’t+表语。

i wasn’t at home last night.

3. 一般疑问句结构:

1) 行为动词: did+主语+动词原形…?

did the twins go to school two hours ago?

(yes, they did. no, they didn’t.)

2)系动词(be): was/were+主语+表语…?

were you at home last night?

yes, i was. no, i was’t.)

4.特殊疑问句结构

特殊疑问词(what, how often, which, where,who)+一般疑问句?

频度副词:通常用于一般现在时或一般过去时,频率副词常放在行为动词之前,系动词、情态动词或助动词之后。

1.常见的频度副词有:always(总是,一直)、usually(通常)、often(常常,经常)、sometimes(有时候)、never(从不)、hardly ever(几乎从不)、every day(每天)。

2.频度副词的位置:

a.放在系动词、助动词或情态动词后面。

d**id is often arrives late for school. 大卫上学经常迟到。

b.放在行为动词前。

we usually go to school at 7:10 every day. 我们每天经常在7:10去上学。

c. sometimes可放在句首或句尾,用来表示强调。

sometimes i walk home, and sometimes i rides a bike. 有时我步行回家,有时我骑自行车。

3. every day 与 everyday

a. every day 作状语,译为“每一天”。如:

we go to school at 7:10 every day. 我们每天7:10去上学。

i decide to read english every day. 我决定每天读英语。

b. everyday 作定语,译为“日常的”。

she watches everyday english on tv after dinner. 她晚饭后在电视上看日常英语。

what's your everyday activity? 你的日常活动是什么?

练习。1. how often _does___your father drink__(drink) wine?

2. his mother __comes___come) to see him once a week.

3. her sister __will not stay___not stay) at home on sundays.

4. where __were___be) you last night?

5. she exercises every day. (划线部分提问)

__ how often__ does she __exercise ?

6. jim always does his homework after school.(改为否定句)

jim __never does__ his homework after school.

7. he never goes fishing, _does he___完成反意疑问句)

8. he (go)__goes___to the park every day.

9. _do___lucy and lily (like)__like __china?

10. li lei(not like)__doesn't like___to drink orange soda.

11. _did __li ming’s father (h**e)_ h**e __his lunch at home?

12. everybody (h**e)__has __a chance to win.

13.__did __you make this cake last night? yes. i did.

tom __go___home at five yesterday?

no, he __didn’t___he came home at six.

___did___you __buy___at the store? i bought a camera.

16. were you at home yesterday? yes, i __was___

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