一般现在时的构成形式
一般现在时结构表？
一般现在时结构表？
一般现在时的结构表如下所示：
1、主系表(专有名词、修饰词、介词短语)
be动词的一般现在时有三种方式，即：am, is, are。
肯定句
I am a middle school student. 表真实身份（表语为专有名词）
I am really tired. 表情况（表语为修饰词）
I am from Korea. 表场所 （表语为介词短语）
否定句：系动词后接 not
一般疑问句：系动词放置主语前，句点变疑问。
缩写: we are = we#39re they are = they#39re
you are = you#39re aren#39t = are not
he is = he#39s my mother is = my mother#39s
isn#39t = is not that#39s = that is
留意：This is不能缩写。am not不缩写。
2、主谓宾
毫无疑问句型: 主语 动词原形/形容词的第三人称单数 别的
I want to see you.
Bill often goes to school at 7:00 in the morning .
否认句型: 主语 （助动词）don#39t/doesn#39t 动词原形 别的
I don#39t want to see you.
Bill doesn#39t often go to school at 7:00 in the morning.
一般疑问句式: Do/Does 主语 动词原形 别的?
简单回应: (肯)Yes, 主语 do/does (否)No, 主语 don#39t/ doesn#39t
缩写方式: don#39t = do not doesn#39t = does not
Do you want to see me? Yes, I do. /No, I don#39t
--Does Bill often go to school at 7:00 in the morning?
--Yes, he does. /No, he doesn#39t.