- LocCloud
-
know是实义动词(实义动词就是有实实在在的意义的动词,如laugh,
cry,
work,
study,
learn,sleep,
etc.)。由实义动词作谓语的句子变成一般疑问句只能借助于助动词do。又如:
Do
you
understand?(肯定回答:Yes,
I
do.
否定回答No,
I
don"t.)
当主语是第三人称单数时,do变成does:
Does
he
live
in
our
city?他住在我们这座城市里吗?(肯定回答:Yes,
he
does.
否定回答No,
he
doesn"t.)
be(am/is/are)是联系动词,后面只能接名词、代词、形容词、副词、介词短语等。但系动词be后面绝对不可接实义动词。如:
接名词:
I
am
a
teacher.----Are
you
a
teacher?
(肯定回答:Yes,
I
am.否定回答:No,
I"m
not.)
接副词:
I
am
here.----Are
you
here?
(肯定回答:Yes,
I
am.否定回答:No,
I"m
not.)
接介词短语:
He
is
at
home.----Is
he
at
home?(肯定回答:Yes,
he
is..否定回答:No,
he
isn"t.)
接形容词
They
are
good.----Are
they
good?(肯定回答:Yes,
they
are.否定回答:No,
they
aren"t.)
- 黑桃云
-
当然是 do you know 啦....
- 马老四
-
英语中的习惯用法是do you know
- 苏州马小云
-
do you know
- 陶小凡
-
I don"t know.