Unit3.Thisismysister.

　　句型：1,Isthisyoursister?No,itisn’t.

　　Issheyoursister?No,sheisn’t.

　　2,Thisismyfriend.

　　Thesearemyfriends.

　　Thatismybrother.

　　Thosearemybrothers.

　　3,Thanksforthephotoofyourfamily.Hereismyfamilyphoto.

　　photoofyourfamily=yourfamilyphoto

　　语法：可数名词单数变复数：一般情况下加s,book-books,以s,x,sh,ch结尾的加es

　　watch-watches以辅音字母加y结尾的,把y改为i再加esboy-boys,family-families以o结尾的有生命的加es,无生命的加s,tomato-tomatoes,photo-photos

　　Unit3Thisismysister.

　　一、短语

　　1.thanksfor(sth/doingsth)

　　2.penfriend/pal

　　3.familyphoto

　　4.takeaphoto

　　二、句型/语法点

　　1.Isheyourfriend?

　　2.This/Thatismysister.

　　These/Thosearemybrothers.