三年级英语下册练习题

三年级英语练习题姓名:_________班级:__________成绩：___________介词的用法：1、in在……里面，季节，早、中、晚inthelake在湖里inspring在春天inthemoring在早上intheafternoon在下午intheevening在晚上2、on用于星期前,在……上面onSunday在周日onthedesk在桌子上3、at（表示在小地方）在……athome在家atschool在学校4、to向Happybirthdaytoyou!祝你生日快乐！5、for给Hereisapresentforyou!这是给你的礼物。6、under在……下面Thecatisunderthetree.猫在树下。7、behind在……后面Themonkeyisbehindthedoor.猴子在门后。一、选词填空。oninunderfortobehindat1.Shegoestoschool____________Mondays.2.Insummer,heswims____________thelake.3.Happybirthday____________you!4.It’swarm____________spring.5.Theboxis____________thedoor.6.Amyis____________home.7.Thecatis____________thetree.8.Hereisapresent____________you!第三人称单数的用法第三人称：he他she她it它yourmother/father你的妈妈/爸爸单个人名(Daming,Amy)，动词要用第三人称单数形式。动词的第三人称单数形式构成规则1.一般情况下，大多数动词在词尾直接加“s”。play—playsswim—swimswalk—walkslike—likes2.以“x,ch,sh，o”结尾的，在词尾加“es”.box—boxeswatch—watcheswash—washesgo—goesdo—does3.以辅音字母加“y”结尾的，要先将“y”变为“i”，然后再加“es”。fly--flies4.特殊变化：have—has一、根据句意，从括号内选择正确的单词填空。1.__________(Does/Do)shegotoschoolonSaturdays?2.Inthemorning,he__________(have/has)ChineseandEnglish.3.Mum__________(goes/go)shoppingonSundays.4.Daming__________(fly/flies)akiteinthepark.5.Insummer,mybrother__________(swims/swim)inthelake.6.Thecat_________(like/likes)fish.7.He___________(plays/play)footballinautumn.8.Inwinter,Amy_________(walk/walks)inthesnow.9.Tom__________(doesn’t/don’t)gotoschoolonMondays.10.Mysister____________(hasn’/haven’t)gotabike.