初一英语四大时态一、一般现在时1.概念: 经常、反复发生的动作及现在的某种状况。

2.时间状语——标志词：always，usually，often，sometimes，every week，on Sundays,etc3.肯定句：主语+be(am,is,are); 主语(其余人称)+动词原形; 主语（三单）+动三单(V-s/es),4.否定形式：主语+am(is/are)+not ; 主语+don’t+动原; 主语（三单）+does’t+动原5.一般疑问句: Am/ Is /Are+主语………….? Do/Does+主语+动原………..?专项练习用括号内动词的适当形式填空。

1.He often (have) dinner at home.2.David and Tom (be) in Class One.3.We (not watch) TV on Mondays.4.Mike (like) cooking.4.You always (do) your homework well. 8.Liu Tao (not like) PE.9.The child often (watch) TV in the morning. 10.Everyone in our class (like) PE a lot.按要求改写句子1.David watches TV in the evening.否定句:David TV in the evening.一般疑问句：David TV in the evening? Yes,he对划线部分提问：David TV？2.I do my homework every day.否定句：I do my homework every day.一般疑问句：you your homework every day? No,I .对划线部分提问：you every day?3.She is a worker.否定句：She a worker.一般疑问句：She a worker?对划线部分提问：She?= She ?二、一般过去时1．概念: 过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为。

2．时间状语——标志词：yesterday，last week(year,night,mont h………)，in 1989，etc. 3．肯定句：主语+be(was,were…); 主语+动词的过去式… ;4．否定形式：主语+was/were+not…; 主语+didn’t+动原… ;5．一般疑问句: was/were+主语………….? Did+主语+动原………..?专项练习一、写出下列动词的过去式规则变化：1.pass play wait stay enjoy2.dance love live hope like3.study cry4.stop不规则变化：5.do/does see are is/am eatfeel sing go make runtake write have/has swim sayfind come sit put read二、用动词的适当形式填空（was/were/is）.1.I at school just now.2.He at the camp last week.3.We students two years ago.4.They on the farm a moment ago.5.Yang Ling eleven years old last year.6.There lots of grapes hereyesterday.7.There some milk in the fridge on Sunday. 8.There an apple on the plate yesterday.9.Today the second of June. 10.Yesterday the first of June.三、用动词的适当形式填空。

1.I (watch)a cartoon last Saturday.2.Her father (read) a newspaper last night.3.We to zoo yesterday,he to the park,too. (go)4. you (visit)your relatives last Spting Festival?5. he (do) homework on Sunday?Yes,he .6.What she (find) in the garden last morning?She (find)abeautiful butterfly.7.We all (have) a good time last night.8. she (practice) her guitar yesterday?No,she .9.They all (go) to the mountains yesterday morning.10.She (not visit) her aunt last weekend.She (stay) at home and (do) some cleaning.11.When you (write) this song?I (write) it last year.12.Did she (have) diner at home?四、句型转换。

1.The children had a good time in the park.否定句：The children a good time in the park.一般疑问句：The children mma good time in the park?Yes,对划线部分提问：the children a good time?2.Ann did her homework yesterday evening.否定句：Ann her homework yesterday evening.一般疑问句：Ann her homework yesterday evening?No, .对划线部分提问：Ann yesterday evening?3.He read an English book last week.否定句：He an English book last week.一般疑问句：he an English book last week?对划线部分提问：book he last week?4.There were nine people in the room.否定句：There nine people in the room.一般疑问句：there nine people in the room?No, .对划线部分提问：were there in the room?三、现在进行时1.概念: 表示现阶段或说话时正在进行的动作或行为。

2.时间状语——标志词：now，look，listen，at this time，these days，etc.3.基本结构：be(am/is/ are)+doing;4.否定形式：am(is/are)+not+doing ;5.一般疑问句: 把be动词放于句首.专项练习二、用所给的动词的适当形式填空。

1.What are you (do)? I am (read).2.Is he (swim)?3.Listen！Class 2 and Class 3 (sing).4.The boy (draw) a picture now.5.What you (do)now?三、句型转换。

1.The boy is playing basketball now.否定句：The boy basketball now.一般疑问句：the boy basketball now?对划线部分提问：the boy now?2.They are singing in the classroom.否定句：They singing in the classroom.一般疑问句：they in the classroom?对划线部分提问：they ?四、一般将来时1.概念: 表示将要发生的动作或存在的状态及打算、计划或准备做某事。

2.时间状语——标志词：tomorrow，next day(week,month,year…)，soon，the dayaftertomorrow,in+时间段，etc.3.基本结构：①be going to+V(原形) ②will(任意人称)/shall第一人称+V(原形)4.否定句：在be(am/is/are)动词后加not；在will后加not—won’t.shall+not----shan’t5.一般疑问句：把be/will提到句首，some改为any;and改为or.6. be going to和will的区别be going to和will的用法虽然都表示将来发生的动作或情况，但它们的用法是有区别的。

1、be going to主要用于：⑴表示事先经过考虑、安排好打算要做的事情。

What are you going to do today?今天你们打算做什么？I’m going to play the violin.我打算拉小提琴。

She’s going to play the piano.她打算弹钢琴。

⑵表示根据目前某种迹象判断，某事非常有可能发生。

Look!There come the dark clouds.It is going to rain.瞧！乌云密集，天要下雨了。

I’m afraid I amgoing to have a cold.恐怕我要患重感冒。

2、will主要用于在以下几个方面：⑴、表示单纯的未来“将要”，通用各个人称。

They will go to visit the factory tomorrow.明天他们将去工厂参观。

I’ll come with Wang Bing,Liu Tao and Yang Ling.我将和王兵、刘涛、杨玲一起来。

⑵、表示不以人的意志为转移的自然发展的未来的事。

Today is Saturday. Tomorrow will be Sunday. 今天是星期六。

明天（将）是星期日。

He will be thirty years old this time next year.明年这个时候他就(将)三十岁。

3、问对方是否愿意做某事或表示客气地邀请或命令。

Will you please turn on the radio?请打开收音机好吗？Will you go to the zoo with me ?你和我一起去动物园好吗？练习：一、填空。