Thisisakey.Thesearekeys.Thisisapencil.Thesearepencils.Thatisapen.Thosearepens.Thatisaneraser.Thoseareerasers.ThesearebackpacksThatisaruler.Thosearerulers.Thisisabackpack.情况构成方法读音例词一般情况加-s清辅音后读[s]浊辅音和元音后读[z]mapsbagsfriends以s,sh,ch,x等结尾的词加-es读[iz]buses,boxes,watches以辅音字母+y结尾的词变y为i再加-es读[z]family→families可数名词复数的最常用构成方法thisthisthatthatshesheheheititisisamampenpenparentparentthesethesethosethosetheytheyarearepenspensparentsparents指示代词thisthatthesethose单数复数thisthesethatthoseittheyShetheyHetheyisare还记得吗？用isaream填空1.That___ajacket.It___red.2.Those___baseballs.They____white.3.This___myquilt.It___red.4.Helen___agirl,she__myfriend.5.ThatisTony.He___myuncle.6.What___this?It___amap.7.What___these?They___oranges.8.I___aboy.Myname___Jack.9.How___you?I___fine,thanks.isisareareisisisisisisisareareamisaream（单）ThisisabookThesearebooks.→→（单）Thatishisbrother.→Thosearehisbrothers.看谁做得快（复）（复）（单）Heishercousin.→Theyarehiscousins.（复）[s][z][z]写出下列句子的复数形式：1.Thisismyfriend.2.Thatishisparent.3.Issheyoursister?4.Isthisaphoto?5.Yes,itis.6.No,sheisn’t.Thesearemyfriends.Thosearehisparents.Aretheyyoursisters?Arethesephotos?Yes,theyare.No,theyaren’t.What’shisname?HisnameisXiaYu.He’sXiaYu.XiaYu’sfamilyHisfamily名词所有格Thisishissister.Sheishissister.Thisishissister.Thisishisbrother.Thayarebrother.SThatishismother.Thatishisfather.Theyarehisparent.sThatishisgrandmother.Thatishisgrandfather.Thosearehisgrandparent.SThisishisfriend.Thesearehisfriend.sisn’tbrotherissisterisisn’tbrotherWhoarethey?Task•Isthis/thatyoursister?•Yes,it/sheis.•No,it/sheisn’t.•Arethese/thoseyourfriends?•Yes,theyare.•No,theyaren’t.•Isheyourbrother?•Yes,heis.•No,heisn’t.Heis….Drills1.Istheseyourgrandparents?2.Thoseismysister.3.Isthatyourfamily?4.Thisaremybrother.5.Aretheseyourfriend?6.Thatismycousin.7.Isthoseyourbrothers?8.Arethoseyoursisters?Are_______That___is______friends__Are
