初1英语练习复数4.ppt

名词加复数Haidaoyingzi Middle SchoolLi Yuhai Ｔhink about: 何时需要使用名词的复数形式？ one boat boats/ s / boats/ ts/ a car two cars/ z / one pen a bus buses/?z / two watches a watch Sum up:以 Sum up: 名词加复数的变化规则. / 加上复数后如何发音？ 清后/s/books /s/,浊元后读/z/pens,photos /z/. 给下列名词加复数并读出来． am-- is-- he-- she— It-- bird-- lady— orange-- ruler-- cat-- boy-- girl— case-- wife-- watch— tree-- key-- question— this-- that-- friend— family-- dictionary— photo-- card-- 将下列句子变成复数形式 １．This is a book. 2. It is a good eraser. 3.That is not an apple. 4.Is she your good friend? Yes, she is. * two pens What’s this? What are these? Sum up:一般情况下,直接在名词词尾 加S. It’s a pen. They are pens. a fish some fishes a box three boxes s、x 、ch 、sh 结尾的名词,在其词尾加es potato some potatoes tomato five tomatoes Sum up: 以辅音字母加Ｏ结尾的名词，在其词尾加es.但photo、piano(钢琴)除外，photos, pianos. knife four knives leaf some leaves Sum up:以 f或fe结尾的名词要将f或fe变为 V再加 es. baby five babies boy three boys 以辅音字母加y结尾的名词，要变y为i再加es. 1.一般情况下,直接在名词词尾加s. 2.以s,x,sh,ch结尾的名词加es,以辅音字母加o结尾的名词也加es，但photo和 piano除外． ３．以f或 fe结尾的名词，将f或 fe变为Ｖ再加es. 4.以辅音字母加y结尾的名词，要变y为i再加es. /s/ /z/ 后读/?z/watches． /t/后/ts/cats,/d/后／dz／beds. are are they they they birds ladies oranges rulers cats boys girls cases wives watches trees keys questions these those friends families dictionaries photos cards These are books. They are good erasers. Those are not apples. Are they your good friends? Yes, they are. *