主语是I,you,we,they,books,动词不变主语是he,she,it,a/thebook,动词加s:es,加es:does,goes,watches改y为I,加es:try-tries,cry-cries,study-studies选择正确的答案:Atiger________underthetree.?A.isB.am?C.areTwocupsoftea__________onthetable.A.isB.am?C.areThedog_________inthewater.?A.playsB.play?C.isplayCats________thecake.?A.eatsB.eat?C.iseatI_______abirthdaypartyformycat.A.holdsB.hold C.isholdYou_________meanicebook.?A.givesB.give?C.isgivingMyfather_________toShanghaieveryweek.A.go B.gos?C.goesHe________lunchattwelveo’clock.A.have?B.has?C.havingLittlebabies________fortheirlostthings.?A.cry B.cries C.cryingHe________Englishatschool.?A.study B.studies?C.studying