be動詞表示是

1、 Unit 3 Unit 3 This is my sister.This is my sister.a bookbooksThat is a book.This is a book.These are books.Those are books ,too.These are my erasers.Those are your pencil sharpeners.This is an orange.These are oranges.That is her pencil.Those are her pencils.Is that his pencil case? Yes,it is. No,

2、it isnt. Is this your pencil?Are these your keys?Yes, they are.Are those her pens?No, they arent.A:Are these your ?A :Are those your .?B :Yes ,they are .B:No,they arent.be動詞表示“是”，有三個：am ,is, are.我（I）用(am),你(you )用(are),is連著他(he)、她(she)、它(it),單數(shù)跟is 后，復數(shù)全部都用are.單數(shù)復數(shù)thisthatis/amthesethoseare變?yōu)橐蓡柧洌鹤優(yōu)橐蓡?/p>

3、句：1.This is my clock.2.That is your ring.3.These are her books.4.Those are his oranges.5.Those are my backpacks.Is this your clock?Is that your ring? Are these her books?Are those his oranges?改錯：1.Are this your book?2.Those is my pen.3.Is these his pencils?4.Are those her ruler?Is this your book?/Ar

4、e these your books?That is my pen./Those are my pens.Are these his pencils?Are those her rulers?Are those your backpacks?5.Are they your books?Yes,theyre. Are they your books?Yes,they are.1.一般直接加一般直接加s， 如如penpens,erasererasers,bookbooks. 2.以以o.s.x.sh.ch.結(jié)尾的加結(jié)尾的加es, 如如watch-watches. 3.以輔音字母加以輔音字母加y結(jié)尾

5、的，變結(jié)尾的，變y為為i再加再加es, 如如family-families,dictionary-dictionaries. 4.以以f或或fe結(jié)尾的變結(jié)尾的變f或或fe為為v再加再加es， 如如knife(小刀小刀)knives. 5.部分部分以以“o” 結(jié)尾加結(jié)尾加es 如如potatoes (土豆）土豆） tomatoes（西紅柿）（西紅柿） 其他加其他加s, 如如photo-photos可數(shù)名詞復數(shù)：把下列單數(shù)名詞變成復數(shù)：把下列單數(shù)名詞變成復數(shù)：pencil baseball game notebook ring rulerpencils baseballs games notebo

6、oks rings rulerswatch fish bus box potato tomato Watches fishes buses boxes potatoes tomatoesfamily baby partyfamilies babies partiesboy class knife life dictionary photo boys classes knives lives dictionaries photos把下列句子單數(shù)變成復數(shù)：把下列句子單數(shù)變成復數(shù)：1.This is a book.2.That is an orange.3. This is my pencil .4

7、.That is her quilt.5.Is this your watch?6.Is that his dictionary?7.It is my map.8.Thats his ring. These are books.Those are oranges.These are pencils.Those are her quilts.Are these your watches?Are those his dictionaries?They are maps. Those are his rings.人稱代詞和物主代詞：人稱代詞和物主代詞：人稱代詞是經(jīng)常用做主語的代詞，人稱代詞是經(jīng)常用做

8、主語的代詞，物主代詞就是表示所有關系的代詞物主代詞就是表示所有關系的代詞。人稱代詞人稱代詞： I 我我 you 你你 he 他他 she 她她 it它它 we我們我們 you 你們你們 they他們他們 形容詞性物主代詞形容詞性物主代詞 ： my 我的我的 your 你的你的 his 他的他的 her她的她的 its 它的它的 our 我們的我們的 your 你們的你們的 their 他們的他們的把下列句子翻譯成英語：把下列句子翻譯成英語：1.這是他的鉛筆。這是他的鉛筆。2.那個是你的文具盒嗎？那個是你的文具盒嗎？ 3.那些是你們的桔子嗎？那些是你們的桔子嗎？4.這些不是他們的地圖。這些不是他

9、們的地圖。5.那些是他們的字典嗎？那些是他們的字典嗎？6.這些是我們的削筆刀嗎？這些是我們的削筆刀嗎？7.那些是她的手表嗎？那些是她的手表嗎？8.它是我們的學校。它是我們的學校。This is his pencil.Is that your pencil case?Are those your oranges?These are not their maps.Are those their dictionaries?Are these our pencil sharpeners?Are those her watches?It is our school.1.This is my clock.2.That is your ring.3.These are her books.4.Those are his oranges.5.Those are my backpacks.6.She is his mother.8.I am Jims sister.7.She is Jeff.Is this your clo