单数句子变复数句子

单数句子变复数句子变法六条规则1、人称代词主格变成相应的主格复数。2、Am、is变成are。3、不定冠词an、a要去掉。4、普通单数名词变成复数名词。5、指示代词this、that变成these、those。6、Man和woman作定语修饰可数名词时，要在“数”上与被修饰的名词保持一致。巩固练习：1、Thisisapen.____________________________________2、Isthatapencil-box?____________________________________3、Heisagoodboy.____________________________________4、Isitaruler?____________________________________5、IamanEnglishteacher.____________________________________6、Thisismynewbook.____________________________________7、Thatblueeraserismine.____________________________________8、What’sthisinEnglish?____________________________________9、Iamastudent.____________________________________10、Shehasapen.____________________________________11、Isitanapple?___________________________________12、Thisismypen.____________________________________13、Helikeshisjacket.____________________________________14、Isthatanappletree?____________________________________15、HeisanEnglishteacher.____________________________________16、What’syourphonenumber?____________________________________17、Whereisyourpen?____________________________________18、AreyouinClass1?____________________________________19、Isthathisbrother?No,itisn’t.____________________________________20、Isshemyteacher?Yes,sheis.____________________________________21、Iamathome.____________________________________22、Hecansingthesong.____________________________________23、Sheisagirl.____________________________________24、Ilikeher.____________________________________25、Iamateacher.____________________________________26、Sheisawomanteacher.____________________________________27、Thatisakey.____________________________________28、Whatcolorisit?____________________________________29、Isthisyourcousin?____________________________________30、Sheisanicegirl.____________________________________复数句子变单数句子1、whatarethese？____________________________________2、Theyliketheirbikes.____________________________________3、Thesearemybooks.____________________________________4、Thesearebooks.____________________________________5、Arethesepens.____________________________________6、Theyareboystudents.____________________________________7、Wearefine.____________________________________8、Theyaretechers..____________________________________9、Hereareourpen.____________________________________10、Thesearehisnewfriends.____________________________________