初中英语之名词变复数.ppt

Sum up: 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,在词尾加-es. 3.以辅音字母加y结尾的名词，要变y为i再加-es. 5.以f或 fe结尾的名词，先将f或 fe变为v,再加-es. 6.以o结尾的名词,表示无生命事物的名词加-s, 表示有生命事物的名词加-es。 4.以“元音字母+y”结尾的名词，直接在词尾加-s . 不规则变化 A．元音发生变化。 如：man---men，woman---women， foot---feet， tooth---teeth，mouse---mice B．词尾发生变化。 如：child---children C．单、复数同形。 如：fish---fish，Japanese---Japanese， Chinese---Chinese，sheep---sheep 3．物质名词（不可数名词）量的表示方法 （1）用much，a little，a lot of等表示 money， milk， meat， advice， snow, bread （2）用容器表 a bowl of rice，a glass of water， a cup of tea， two glasses of milk， two pieces of paper 给下列可数名词加复数． bird-- card-- lady-- orange-- ruler-- photo-- friend-- boy-- watch-- girl-- case-- cat-- wife-- tree-- key-- bed-- hero-- family- dictionary-- question-- leaf-- party-- cup-- birds ladies oranges rulers cats boys girls cases wives watches trees keys questions beds heroes friends families dictionaries photos cards leaves parties cups this – that – I – you – he / she / it – am / is – these those we you they are 单数 复数 句子单数变复数 This is a book. That is an eraser. It is a red apple. I am a boy. He / She is a teacher. What’s this ? 7. Is that a ruler? These are books. Those are erasers. They are red apples. We are boys. They are teachers. What’re these ? Are those rulers? 复数句子变单数句子 These are dictionaries. 单数 一般疑问句,并作肯定回答 划线提问 This is a dictionary. Are these dictionaries ? Yes, they are. What are these ? What is this in English? It is an apple. What are these? They are apples. --What are those? --What’s that? --It’s a pen. --Th