小学英语常用四种时态.docVIP

四种常用时态一般现在时（1）表示经常发生的动作或事情usually, often, every day, sometimes，always, never（2）基本结构： I / You / We / They He / She / It… 肯定句??? 动词原形动词第三人称单数形式否定句? don’t + 动词 doesn’t + 动词原形’t like ice-cream in winter at all. 一般疑问句Do… ? Yes, I do. Does…(动词原形)…?No,she doesn’t.特殊疑问句What do …? How does she…(动词原形)…?(3) 动词第三人称单数形式. 大多数动词 +s walk-walks②. 以辅音字母+y结尾的动词 去y+ies fly-flies③. 以 s, sh, ch or x 结尾的动词+es watch-watches④. 不规则变化 do-does ,have-has, go-goes 2．现在进行时（1）表示正在发生的动作 now, look （2）基本形式： be + 动词+ing: I am(not) doing my homework. You/We/They?? are(not)?? reading. He/She/It?? is(not) eating. What are you doing?  Is he reading?（3）动词的现在分词形式（do+ing）. 大多数动词 +ing?? walk—walking ②. 以e结尾的动词 去e+ing come—coming③. 重读闭音节单词，末尾只有一个辅音字母 双写最后一个字母run-running swim-swimming 3. 一般过去时态（1） 表示过去已经发生的事情last week, just now, yesterday （2） be 动词的过去式: am/is—was???? are—were I/He/she/it was(not)….?? You/we/they were….一般疑问句was, were 放在句首。（3）过去式基本结构肯定句 动词过去式 I went shopping last night. 否定句Didn’t + 动词原形 I didn’t go shopping last night.一般疑问句(Yes/No) Did …+ 动词原形…? Did you go shopping last night?特殊疑问句(wh-) What did…+ 动词原形…? What did you do last night?(4)动词过去式的变化：规则动词的变化：一般动词???? +ed planted,watered,climbed以不发音的e结尾?+d liked辅音字母加y结尾 y+ied study—studied, cry- cried重读闭音节单词，末尾只有一个辅音字母 双写最后一个字母+ed stop –stopped plan - planned不规则动词的变化：原过去式sweep-swept teach-taught have-had go-went keep-kept think-thought do-did find-found sleep-slept buy-bought eat-ate say-saidfeel-felt drink-drank is/am-was take-tookread-read give-gave are-were mean-meant put-put sing-sang drive -drove meet –met cut -cut begin- began speak- spoke make –made let –let ring-rang write- wrote see –saw fly -flew run -ran ride- rode come -camedraw -drew sit –sat hear- heard tell –told grow -grew learn- learned/ learnt get –got