动词 be 说明身份、年龄、状态等

1、精选文档Module 1 动词 be 说明身份、年龄、状态等如果有人问你的年龄、身份或者现在的身体状况，你会怎么说呢？你可以说：§ I am twelve years old. 我 12 岁了。§ I am a student. 我是学生。§ I am very well. 我身体很好。这几句谈论的都是现在的状态，可以用 be 的一般现在时。注意系动词 be 的形式随主语的不同而有所变化。变化形式为：IamHe/She/ItisWe/You/Theyare如果要询问对方或他人现在的状态，就要使用疑问句。那

2、么 be 的一般现在时的疑问、否定形式是怎样的呢？请同学们看以下几个句子：Are you from America? 你是美国人吗？Yes, I am. 是的，我是。Is he Chinese? 他是中国人吗？No, he isn't. 不，他不是。Are they in Class 1? 他们是一班的吗？No, they aren't. They are not in Class 1. They are in Class 2. 不，他们不是一班的。他们是二班的。从以上的句子可以看出，be 的一般现在时否定句式的构成是

3、在 be 后直接加 not（可以缩写），其一般疑问句式是把 be 提至句首。其变化形式可以归纳如下：肯定否定疑问I· I am Chinese.· I am not Chinese.· Am I Chinese?He/She/It· He/She is an English boy/girl.· It is cheap.· He/She is not (isn't) an English boy/girl.· It is not (isn't) cheap.· Is he/she an Englis

4、h boy/girl?· Is it cheap?They/We/You· They are our friends.· We are from America.· You are a good boy.· They are not (aren't) our friends.· We are not (aren't) from America.· You are not (aren't) a good boy.· Are they our friends?· Are we from

5、 America?· Are you a good boy?缩写形式：isn't = is not; aren't = are not注意：am not 一般不缩写。一般说来，在一般现在时的表达中，be 可以用于以下几种情况：1. be + 形容词§ I am very happy. 我很幸福。§ He is very kind. 他人非常好。§ The fruit is very fresh. 这水果很新鲜。2. be + 名词§ Mr Wang is our English teacher. 王先生是我们的英语老师。§ They are our friends. 他们是我们的朋友。§ He is a very clever boy. 他是个非常聪明的男孩。3. be + 介词短语§ The book is on the desk. 书在桌子上。§ She is at home. 她现