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1 、used to 过去肯定：S + used to + do（动词原型）否定：S +didnt + use to + do疑问：Did + S + use to + do2、主问句：疑问词who(人)/what(物) 抄（无助动词）宾问句：疑问词who/what 助动词 do(动原) does(三单) did(过去) 动原He bought a book.Who bought a book?What did he buy?3、反身代词 某人自己Am / is / areWas / wereBeen五单三复Myself yourself himself herself itselfOurselves themselves yourselves主语/宾语（人称和单复数） 决定反身代词by + 反身代词4、形/副词形名动副 /系形副形形变副1. + ly2. y变i +ly3.le变ly4.特殊不变fast, hard, enough, early, late,straight,high,far
