系动词be的用法.pdf

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1、一一系系动动词词b be e的的同同法法Be 有 am,is,are我(I)用 am你(you)用 areis 连着他(he)她(she)它(it)我们(we)你们(you)他们(they)要用 are单数名词和不可数名词用 is复数形式要用 are变否定真容易 be 后 not 为标记变问句 be 提前，句尾问号要配全（？）应用时多注意缩写形式要牢记：Im=I amyoure=you arehes=he isshes=she isits=it iswere=we areyoure=you aretheyre=they are.二二There beThere be 句型句型1.构成：There

2、 be.句型表示的是“某处有(存在)某人或某物”，其结构为 There be(is，are，was,were)+名词+地点状语。例如：There are fifty-two students in our class.There is a pencil in my pencil-case.There was an old house by the river five years ago2 注意事项There beThere be 句型中句型中 bebe 动词的形式要和其后的主语在人称和数上保持一致动词的形式要和其后的主语在人称和数上保持一致。如果句子的主语是单数的可数名词，或是不可数名词，如

3、果句子的主语是单数的可数名词，或是不可数名词，bebe 动词用“动词用“is is”“”“waswas”。例如：There is a basketball in the box.There is a little milk in the glass.如果句子的主语是复数名词，如果句子的主语是复数名词，bebe 动词就用“动词就用“areare”“were”“were”。例如：。例如：There are many birds in the tree.There were many people in the street yesterday.如果有两个或两个以上的名词作主语，如果有两个或两个以上

4、的名词作主语，bebe 动词要和最靠近它的那个主语在数上保持一动词要和最靠近它的那个主语在数上保持一致，也就是我们常说的致，也就是我们常说的“就近原则”。例如：“就近原则”。例如：There is an orange and some bananas in the basket.There are some bananas and an orange in the basket.练习题（Be 动词）一、在下面的短文中填上恰当 be 动词。I _ a girl.My name _ Mary.I _ in Class 2,Grade 7.I _ 12 yearsold.Here _ my fami

5、ly photo.Look!These _ my parents and those _ mygrandparents.This boy _ my brother.He _ 15 years oldnow.That _ my cat,Mimi.It _ very lovely.二、在下面的题目中填上恰当的 Be 动词。（注意 Be 动词的时态）1.I _from Australia.2.She _ a student.3.Jane and Tom _my friends.4.My parents _very busy every day.5._ there a Chinese school i

6、n New York6.There _ some glasses on it.7.There _many monkeys in the mountain.8.There_ a beautiful garden in our school.9.I _ at school just now.10.He _ at the camp last week.11.We _ students two years ago.12.They _ on the farm a moment ago.13.Yang Ling _ eleven years old last year.14.There _ an appl

7、e on the plate yesterday.15.There _ some milk in the fridge on Sunday.16.The mobile phone _ on the sofa yesterday evening.17.There _some water in the glass.18.There _ some bread on the table.19.Where _ your friends yesterday20.How old _ you last year21.Which dog _ yours22.Ten and two _ twelve.、二、句型转换：1.They are doing housework.(分别改成一般疑问句和否定句)_ _2The students are cleaning the classroom.(改一般疑问句并作肯定和否定回答)_3.Tom is under the tree.（变为否定句）4.The mouse s teeth are sharp.（变一般疑问句并作肯定回答）5.The skateboards are black.(改成否定句)