小学英语否定句肯定句改写否定句第一类:含有is, am, are的句子,直接在is, am, are后面加 not, 主语 + be (am is are)+ not ①I am not= I’m not ②is not=isn’t ③are not=aren’t 例如:①I am Jack. ---- I am not Jack.-----I’m not Jack. ②She is a doctor. ---- She is not a doctor. ③It is a sunny day. ---- It is not a sunny day. 第二类:含can 的情态动词的句子, 在can 后面直接加 not, can not= can’t 例如:①The bird can fly. ---The bird cannot fly. ② I can dance. ------ I can not dance. 第三类:含实意动词的句子变否定句,在do 或does 后面加not 主语 + do (does)not + 动词原形 例如: ①I get up at 7:00 every morning. ---- I don’t get up at 7:00 every morning. ②Grandma often goes to the park in the morning. ---- Grandma doesn’t often go to the park in the morning.③Ihavemanybooks.---Idon’thavemanybooks. ④Hehasapencil.---Hedoesn’:祈使句改为否定句,在动词前加donot/don’t,如:①Openthedoor,please.---Don’topenthedoor,please.②etomyhomeonfoot.---Pleasedon’tcometomyhomeonfoot. 特殊:Letme/us+动词原形+……改为否定句,在动词前加not即可。 如:①Letmeclosethedoor.---Letmenotclosethedoor.②Letusgototheparkthisafternoon.---:有情态动词的句子,直接在动词后加not即可,有some改为any,如:HecanspeakEnglish.---'t/’’snameisn't/'t/'t/‘t/’'t/isnotanappleinthegirl’'t/'t/'t/–'t/arenottwopensandapencilinthepencil–’t/’t/cannotplayfootballafterschool. -’t/c
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