新目标英语七年级上册unit_2_this_is_my_sister名词复数课件

an (one) orange,two pears,six pears,two clocks,six computers,five cups,one cat two cats three cars four bikes five birds six pens seven apples eight eggs nine boxes ten buses,jeeps , bikes , apples , pens , bags,boxes , classes , buses , watches , fishes,babybabies , countrycountries,tomatoes , potatoes , heroes,knifeknives , leafleaves,你看出规律了吗？,1.一般直接在名词后面加“S”,2.以 s,x,ch,sh,ss结尾的单词，必须加上es,3.以辅音字母+y结尾的单词，把y变成i再加es,4.以辅音字母+O结尾的单词，后加es（photo除外）,5.以f或fe结尾的单词。把f变v再加es,these,those,they,we,are,you,you,Whats this? Its a banana.What are these? They are bananas.,Whats that? Its an orange.What are those? They are oranges.,What are those?,Whats that?,Its a watch.,They are watches.,These are maps.,Those are erasers.,We are students.,They are boys.,（单）This is a book.,These are books.,（单）That is his brother.,Those are his brothers.,看 谁 做 得 快,（复）,（复）,Those are erasers.,Are those erasers?Yes, they are./ No, they arent.,They are girls.,Are they girls?Yes, they are. / No, they arent.,Those are not erasers.,They are not girls.,用am, is 或are填空,1. This _my brother, these _my parents.2. _ that your sister? No, it isnt.3. This _my mother. Mom, this _Lin Hai.4. And these _my grandparents.5. _Guo Ping your sister? Yes, she .6. Hello, I _Lucy. And thats Paul. He _my brother.,_,形容词性物主代词名词（n.),名词所有格 （The possessive case of nouns)1.单数名词加s . 例如: 1. Mikes father 迈克的爸爸, 2.Jims class 吉姆的班级 3. my fathers name 我爸爸的名字 2.两个或两个以上的各自所有，则每个名词都要加s，后面的可数名词要用复数形式。 Jims and Toms books 3.两个或两个以上的共同所有，则只在最后一个加s,后面的可数名词用单数或复数形式要根据情况而定。Jim and Toms ruler Mary an