be动词的用法总结及练习.doc
-作者xxxx-日期xxxxbe动词的用法总结及练习【精品文档】be动词的用法 am is are一be动词的种类be动词包括“am”, “is”, “are”及其变形was和were，另“am”, “is”, “are”的原形是be。第一人称单数( I )配合am来用。句型解析析：I am+ 例：I am smart . I am ten years old. I am a student. I am a boy.第二人称(You)配合are使用。句型解析：You are+ 例：You are my good friend. You are a good person. You are beautiful.第三人称单数(He or She or It)配合is使用。句型解析：She(He, It) is + 例：She is a good girl. She is so cute. She is a teacher.人称复数 (we /you/they)配合are使用。句型解析：We (You, They) are + 例：We are in Class 5,Grade 7. They are my friends. You are good students.综合解析:当使用be动词的时候，前面请先加上第几人称。be动词前面的人称，是不可随意替换的。例如：I am, You are, She is，并不会出现I is, You am, She are 这样的情形。Be的用法口诀 I用am；you,we ，they 都 用are, is连着he，she，it； 单数名词用is,复数名词全用are。 变疑问，往前提，句末问号莫丢弃。 变否定，更容易，be后not莫忘记。 疑问否定任你变，句首大写莫迟疑注： Im=I am 我是 shes=she is 她是Hes=he is 他是Its=it is 它是youre =you are 你是（复数形式）theyre=they are 他（她；它）们是isnt=is not 不是（单数形式）hes not =he is not=he isnt他不是含be动词的一般疑问句，否定句，以及回答1.以be动词开头的一般疑问句的结构为：be动词+主语+表语 名词、数词等）。 例如：Is this your pencil？ 这是你的铅笔吗？ Yes， it is. / No， it isnt.是的，是我的。/ 不，不是我的。2.将肯定的陈述句变为否定的陈述句的方法：1找到be动词，在be动词之后加上not就可以了，其他的不变。例如：（肯定的陈述句）This is my bike.（否定的陈述句）This is not my bike.- This isnt my bike.3. 将陈述句变为一般疑问句时，应将be动词移到主语之前并大写其 首字母，句末标点用问号，其他句子成分照搬。（注意，i 要变为you，my要变成变your，其他人称不变）。例如：This is my bike. 这是我的自行车。 Is this your bike？ 这是你的自行车吗？4. 一般疑问句通常用yes或no来回答。例如： Are you Gina？你是吉娜吗？ Yes， I am. / No， Im not.是的，我是。 / 不，我不是。 有些一般疑问句也可以用其他形式来回答。例如： Is this Ginas book？这是吉娜的书吗？ Sorry， I dont know.对不起，我不知道。be动词练习：一. 用括号中适当的词填空。1. I _(am, are, is) from Australia.2. She _ (am, are, is) a student.3. Jane and Tom _(am, is, are) my friends.4. My parents _ (am, is, are) very busy every day.5. _ (Are, Is, Do, Does) there a Chinese school in New York?6. _ (Be, Are, Were, Was) they excited when he heard the news?7. There _ (be) some glasses on it.8. If he _ (be) free tomorrow, he will go with us.二. 用所be动词的适当形式填空。1. A: Where _the post office. B: It _ behind the building.2. A: _ you miss Black? B: Yes, I _.3. It _ a shirt, it _(not) a skirt.4. There _ a big playground in our school.5. There _ many books in my schoolbag.6. There _ some fish in the box.7. _ there any chairs in the classroom?8. Youd better _ early next time.三. 改写下列句子。1. Bob is on the football team.否定句： 一般疑问句： 回答：2. They are in the teachers office.否定句： 一般疑问句： 回答：3. It is sunny today.否定句： 一般疑问句： 回答：四、 用be动词的适当形式填空1. I _ at school just now.2. He _ at the camp last week.3. We _ students two years ago.4. They _ on the farm a moment ago.5. Yang Ling _ eleven years old last year.6. There _ an apple on the plate yesterday.7. There _ some milk in the fridge on Sunday.8. The mobile phone _ on the sofa yesterday evening.五、句型转换1. It was exciting._（否定句_（疑问句）_（肯、否定回答）2. All the students were very excited_（否定句）_（疑问句）_（肯、否定回答）3. They were in his pocket._（否定句）_（疑问句）_ （肯、否定回答）六、Be动词的过去时练习（一）、用be动词的适当形式填空1. I _ an English teacher now.2. She _ happy yesterday.3. They _ glad to see each other last month.4. Helen and Nancy _ good friends.5. The little dog _ two years old this year6. Look, there _ lots of grapes here.7. There _ a sign on the chair on Monday.8. Today _ the second of June. Yesterday _ the first of June. It _ Childrens Day. All the students _ very excited.【精品文档】
