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教科版 (广州)六年级上册Unit 2 A country life is a healthy life背景图课件ppt
展开一般现在时行为动词词型变化形式 一般现在时动词只有第三人称有词形变化,其他人称动词均用原形单数第三人称动词变化
多数在动词后加s play-plays like-likes , 以s,x,sh,ch,结尾的动词加es g-ges wash--washes, 以辅音字母加y结尾,把y改i再加es fly-flies study--studies
二. 一般现在时动词be和 have的变化形式
1.动词Be 叫连系动词, 连系动词be的用法:除了第一人称单数用am,和第三人称单数用is以外,其它人称用are。 I am busy. Yu are busy. He (She) is busy. We (Yu, They) are busy.
2.动词have的用法:除了第三人称单数用has以外,其它人称一律用have。如I have a pen. Yu have a pen. She (He) has a pen.
三. 一般现在时的句型
1.肯定句构成:主语+动词 (注意人称变化) +其它成分 I have a dg. We like the little cat. 2.否定句构成: 行为动词的否定句:主语+助动词(d/des) + nt +动词原形+其它成分 We dn‘t like the little cat. (借助于助动词d) She desn’t sing well. (借助于助动词des)
3.一般疑问句: A.行为动词的一般疑问句:助动词(d/des)+主语+动词原形 + 其它成分 D yu like it? Yes, I d. / N. I dn‘t . B. 动词BE 的一般疑问句Am / Is /Are +主语 + 其它成分 Are yu a teacher? Yes, I am. / N, I am nt.
4.特殊疑问句:特殊疑问词 + 一般疑问句
Hw many students are there in yur schl?What d yu usually d n Sunday?
四.一般现在时的用法
1.经常性或习惯性的动作,常与表示频度的时间状语连用。如:every year, smetimes, at 5 ‘clck, n Sunday.I get up at six ’clck every day.She smkes t much.
2.表达客观真理,科学事实。如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时。 Three and fur makes seven. The teacher tld us that the earth mves arund the sun. Shenyang lies in the nrth f China.
3.在格言或名言警句中。Pride ges befre a fall. 骄必败。Actins speak luder than wrds.事实用于雄辩。4.表示现在的状态、性格、个性。I dn’t want mre, thanks.He is a gd student. He is always ready t help thers.
练习 一.用词的适当形式填空。 1.What time_________ his father _________(d) the wrk? 2.He _________(get) up at five ‘clck. 3.__________ yu ________(brush) yur teeth every mrning. 4.What ________ ( d ) he usually ________( d ) after schl?
二.选择 ( ) 1. _____ yu have a bk? A. D B. Are C. Is D. Have ( )2. They _________ n a farm. A. wrking B. is wrk C. wrk D. is wrked ( ) 3. Des Peter like t watch TV? __________. A. Yes, he like B. N, he desn’t C. Yes, he‘d like D. N, he likes
Let's think
What have we learnt in this class?
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