小学英语-肯定句变否定句

肯定句变否定句一、有be动词（am,is,are）的，可以在这些单词后面直接加not.注意缩写isnot=isn’tarenot=aren’t二、有情态动词（can,would）的，可以在这些单词后面直接加not.注意缩写cannot=can’twouldnot=wouldn’t三、没以上那些单词只有动词的，像walk,swim,run,clean,eat,drink,sleep等等，需要在动词前加do,然后再加not,即don’t.例子：Iamanurse.Iamnotanurse.1、Heismyfather.He_________myfather.2、I’dlikeapie.I_______________likeapie.3、Thisisabook.This_______abook.4、TimandTomhavetworobots.TimandTom________havetworobots.5、Thosearehisrobots.Those_____________hisrobots.6、Samcanswim.Sam_____________swim.7、Standup.__________standup.8、Thesearemycrayons.These__________mycrayons.9、Thereisaboxonthedesk.There____________aboxonthedesk.10、Icanseeaboat.I__________seeaboat.11、Timwouldliketosleep.Tim_________liketosleep.12、Ilikeapples.I____________likeapples.综合练习1、I_________(not)hissister.2、__________(not)cleantheblackboard.3、I__________(not)haveabook.4、These___________(not)myrubbers.5、Thedoor__________(not)open.6、__________(not)havealook.7、I’dlikeanicecream.(改否定句)8、Shecanskate.(改否定句)