3、e的不同形式 再说“助动词”,(1)一定要注意“助”,是帮助的意思,说明他不是动词,只是起到了辅助的作用,所以,他们就一定要与动词同时出现。[记住啊,他们离不开动词,但是动词没有他们也是可以的](2)did,do,does只是do的不同形式,根据你所需要的时态来选择 (1)用于肯定句,否定句和疑问句 am:第一人称单数(即只与 I 连用),用于现在时(一般现在,现在进行,只要那时态中是现在的就行) eg:①I am a girl.一般现在时②I am eating an apple.现在进行时 ③I
4、 am going to do my homework.[be going to 表将来,将来中只有这一种] is:第三人称单数,用于现在时(一般现在,现在进行,只要那时态中是现在的就行)(it就不举例了) eg:①She/He is a girl/boy.一般现在时②He/She is eating an apple.现在进行时 ③He/She is going to do his homework.[be going to 表将来,将来中只有这一种] are:第二人称单数,所有人称复数,用于现在时
5、(一般现在,现在进行,只要那时态中是现在的就行) eg:①You are a girl. We/You(你们)/They are girls.一般现在时②You are eating an apple.We/You(你们)/They are eating apples.现在进行时 ③We/You(你们)/They are going to do our/your/their homework.[be going to 表将来,将来中只有这一种] was:第一人称单数,第三人称单数,用于过去时(一般过去
6、,过去进行,只要那时态中是过去的就行)(it就不举例了) eg:①She/He was a girl/boy.一般过去·时回答 be是一个连系动词,它有自己不同的形式 现在时:be 进行时:being 过去时:was/were 过去分词:been 它的后面必须跟形容词或名词作表语,与之构成系表结构,充当句子的谓语。 i am a student主语:i 谓语:am a student(系表结构) being是它的现在进行时态,一般不单独用,而是用于现在进行时的被动语态。(being+动词过去分
7、词) the bike is being repaired.单车正在被修理中。 it is being finished by him这正在被他完成,只要那时态中是过去的就行) eg:①You were a girl. We/You(你们)/They were girls.一般过去时 ②You were eating an apple. We/You(你们)/They were eating apples.过去进行时 ③We/You(你们)/They were going to do our/you
8、r/their homework.[此处为过去将来时,be going to 表将来,将来中只有这一种] 注意:此处不涉及虚拟,虚拟不太一样 (2)用于肯定句(强调句,你们好像还涉及不到..),否定句和疑问句 [由于否定和疑问不能直接改动词,所以要用他们来辅助一下,但是有些可以,他们叫做系动词,类似be动词] did:所有人称,用于一般过去时 eg:①I/You/She(He)/We/You(你们)/They didn't like it.一般过去时 ②