初中英语牛津译林版七年级上册Grammar教课内容ppt课件
展开Presentatin
She is writing t her friend.
write t …写信给……
They are waiting fr the bus.
wait fr …等候……
He is lking fr smething.
lk fr …寻找 ……
He is lying in the grass.
lie 躺;平放;位于 (lie的ing 形式为lying)
Taiwan lies in the sutheast f China.
I am eating.Yu/ We/ They are eating.He/ She/ It is eating.
一、现在进行时肯定句和否定句的构成:肯定句: 主语 + am/ is /are + v-ing ...肯定句: 主语 + am/ is / are nt + v-ing ...
I am nt eating.Yu/ We/ They are nt eating.He/ She/ It is nt eating.
二、动词ing形式的构成:
写出下列动词的现在分词形式。
read — play — dance — write — sit — get—have — eat — lk — carry— begin — put—
take — swim— leave — shine — make — sleep —cut — change — lie — study — pay — visit — wait —
1. Lk! Simn _________ (play) ftball with his friends in the playgrund.2. It’s 4 ’clck in the afternn. Daniel __________ (study) in the classrm.
Cmplete the sentences with the crrect frms f the verbs in brackets.
is studying
3. Millie _________ (write) a letter t her friend abut the fashin shw.
4. Sandy is a member f the basketball team. Nw she ____________ (practise ) with ther team members.5. Where is Amy? Oh, she _________ (talk) t her cusin Shirley. They ___________ (wait) fr the schl bus. 6. I have dancing lessns. I ___________ (lk) fr my dancing shes.
is practising
are waiting
I am eating. → Am I eating? Yes, I am. / N, I am nt. (或 N, I’m nt.)
三、现在进行时一般疑问句的构成及回答:
Yu/ We/ They are eating.→ Are yu/ we/ they eating? Yes, we/yu/ they are. N, we/ yu/ they are nt (或用缩写aren’t)
He/ She/ It is eating. → Is he/ she/ it eating?Yes, he/she/it is. N, he/she/it is nt. (或用缩写isn’t)
规律:将be 动词移到主语前面。注意:肯定回答时主语be动词不能缩写,否定回答时be动词和nt可以用完全形式也可以用缩写。
Sandy: Hell, Amy. ___ yu _____ yur hmewrk nw? Amy: N, I’m nt. My cusin Shirley _________ (visit) me.Sandy: Oh, really? What __ she _______ (d) nw?
Cmplete the cnversatin using the present cntinuus tense f the verbs in brackets.
is visiting
Amy: Well, she _________ (play) a new cmputer game. Sandy: ____ yu ________ (play) with her nw?Amy: N, I’m nt. I _________ (lie) n the bed and _________ (watch) TV.Sandy: What ____ yur parents ______ (d)?Amy: They __________ (ck) in the kitchen.
一、现在进行时可以表示说话时正在进行或发生的动作,也可表示当前一段时间内的活动或现阶段正在进行的动作。
Lk! He is reading in bed. (说话时正在进行)Mr Green is writing a new bk. (现阶段正在做)
二、现在进行时的判断方法:如果句子中带有鲜明的时间状语,如:nw, 或带有lk, listen 等暗示动作正在发生,或有表示现在的上下文语境时,我们常用现在进行时。
Listen! She is singing in the next rm.—Where is yur mther? — She is cking dinner.
三、注意:(1) 现在进行时的谓语动词由“be 的某种形式+ 动词ing 形式” 这两部分构成。这时be是个助动词,没有实际意思,只起构成时态的作用。同学们在使用现在进行时时千万不要忘了用be动词。
We having breakfast. (错)
We are having breakfast. (正)
(3) 双写末尾一个辅音字母再加ing形式的动词的条件参考书本P121。这个规律不易掌握, 所以同学们可以在学习英语的过程中学到一个双写词就记住它, 慢慢体会规律。以下是已经学过的一部分双写词:shp, run, get, swim, begin, stp, cut, hit, frget等。
(2) 有些动词一般不用进行时,如:knw, understand(理解), lve, like, want, hpe, hear, see等。
Ⅰ. 请写出下列动词的-ing形式。1. talk ______ 2. dance ______ 3. clean _______ 4. begin ________ 5. tie ______ 6. invite _______ 7. shp ________ 8. put ______
Ⅱ. 请根据句意,用括号内所给动词的适当形式填空。1. Lk! The students ___ (be) _________ (swim) in the river nw.2. Grandpa Li __ (be) _______ (run) in the park.
are swimming
is running
3. I ___ (be) _______ (ck) in the kitchen at the mment.4. David says Daniel __ (be) ____ (lie) n the bed at present. 5. Amy and Mary ___ (be) _________ (practise) the pian nw.
am cking
is lying
are practising
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