英语七年级上册Grammar教课ppt课件
展开T use the simple present tense when we talk abut :Things are true nw. 目前存在的事实Things that we d regularly. 经常做的事Things are always true. 客观存在的事实
D yu think they are always true?
1. Cats eat fish. (猫吃鱼。)
2. The sun rises in the east. (太阳从东方升起。)
D yu think they are true nw?
2. Daniel wears glasses. (丹尼尔戴眼镜。)
1. We study Chinese , English and Maths. (我们学习语文、英语和数学。)
Are they things that peple d regularly?
1. She des her hmewrk in the evening. (她晚上做家庭作业。)
2. He takes his dg fr a walk every day. (他每天遛狗。)
动词为“be”时,一般现在时的构成:
1. 主语为第一人称单数I 时,be 动词用am. I am 12 years ld. (I am =I’m)
2. 主语为第二人称(yu), 第一人称复数(we) 以及第三人称复数(they)时,be 动词用 are. We / They / Yu are students. (we are = we’re ; yu are = yu’re; they are= they’re)
3. 当主语为第三人称单数(he, she, it ) 时,be 动词用is. He/ She/ It is happy in the park. (he is = he’s; she is = she’s; it is = it’s)
注意: ① be与主语的搭配。我( I )用am,你(yu)用are, is跟着他(he)她(she)它(it)。
I am = I’m Yu are = Yu’reHe is = He’s She is = She’sWhat is= What’s It is = It’s is nt = isn’t are nt = aren’tMy name is = My name’s
注意: ② be动词am,is,are与其前后词的合写。
动词为be 动词时,一般现在时的否定和疑问构成:
否定句:主语+ am/ is /are + nt +其它成 分.疑问句:Am/ Is/ Are +主语+其它成分?回答: Yes, I am/ we are/ yu are/ they are/ he is / she is/ it is. N, I’m nt/ we aren’t/ yu’re nt/ they aren’t/ he’s nt/ she isn’t/ it’s nt.
选用am, is , are完成下列句子。
1. I ____a Chinese by. 2. Annie ______Simn’s cusin. 3. We ______frm Shanghai. 4. Yu ______my best friends. 5. Millie and I ____in the same class. 6. Kitty and Amy ____ happy here. 7. Andy’s brthers _____ nt in China. 8. This is my dg. It _____ very lvely.
We make sentences in the simple present tense like this.
当主语为第一人称(I , we) , 第二人称(yu) , 第三人称复数(they)时,其构成为: 主语+ 行为动词原形+ 其它成分。如:They talk t each ther at lunchtime.Kitty and I like reading stry bks.
2. 当主语为第三人称单数(he, she , it )时,其构成为:主语+行为动词的第三人称单数形式+其它成分。如:He takes his dg fr a walk every day.Daniel wears glasses.
当主语是第三人称单数时,谓语动词的形式需做以下变化。① 一般在词尾加-s。take-takes② 以ss, x, ch, sh 结尾, 加-es。wash-washes③ 以辅音加结尾,加-es。g-ges④ 以辅音加y结尾,变y为i,加-es。 fly-flies 动词have 的第三人称单数形式为has。
Cmplete the sentences. Use the simple present tense f the verbs in brackets
My father_______(listen) t the radi every day. Mike_______ (study) in a middle schl.She______(take) Eddie fr a walk after supper.He_______(wash) clthes with his hands.Simn ______ (pass) the ball t Daniel.Miss Li_______ (teach) Chinese.Lk at the animal, it ____ fur legs.
用一般现在时完成下列句子。
Dgs ______(eat) bnes. Millie________( have) a dg. My parents _______(lve) me. He _______( play) ftball after schl. My sister _______(g) t schl by bike every day.
d的一般现在时的否定和疑问形式的构成:
当主语为第一人称(I , we)、第二人 称(yu)、第三人称复数(they)时,否定句: 主语+dn’t + 动词原形+其它成 分。疑问句: D +主语+动词原形+其它成分?回答:Yes, I / yu/ we/ they d. N, I / yu/ we/ they dn’t.
2. 当主语为第三人称单数(he, she, it) 时,否定句:主语+desn’t + 动词原形+其它 成分。疑问句:Des +主语+动词原形+其它成 分?回答: Yes, he/ she/ it des. N, he/ she/ it desn’t.
Change the fllwing sentences after the mdels.
I like red. (green)They like apples. (ranges)We take a bus t schl n ft every day. (walk t schl)
Mdel 1: I like fish. (meat) I dn’t like meat.Mdel 2. He likes reading. (writing) He desn’t like writing.
I dn’t like green.
They dn’t like range.
We dn’t walk t schl every day.
4. His brther plays ftball after schl. (d hmewrk )5. It lks like a cat. (hat)6. She has a dg at hme. (a cat)
His brther desn’t d hmewrk.
It desn’t lk like a hat.
She desn’t have a cat at hme.
Cmplete the sentences. Use the prper verb frms in brackets
1. Jrdan _______(play) basketball. He ___________(nt play) ftball.2. I _______(g) swimming n Sunday. But I___________ (nt g) shpping.3. My cusins _______(enjy) cmputer games. But they __________(nt enjy) ball games.4. Yu _______(like) fish. But he ___________(nt like) fish.
desn’t play
desn’t like
1. Mr. Green cmes frm Shanghai. (改为一般疑问句)2. Millie lives in a flat in Beijing. (改为否定句)
Des Mr. Green cme frm Shanghai?
Millie desn’t live in a flat in Beijing.
3. Daniel enjys playing cmputer games.(改为一般疑问句并作肯定回答)
Des Daniel enjy playing cmputer games?
Yes, he des.
He watches TV every Sunday.(改为一般疑问句并做肯定回答)I d my hmewrk every evening.(同上)Lucy and Lily cme frm the USA.(同上)She eats tw pieces f bread every mrning.(同上)They d a lt f hmewrk every day.(改为否定句)I’m frm Nanjing.(改为否定句)He ften flies t Beijing.(改为否定句)
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