请问do does did is are were was 怎么区分

Question

如题所述

Answer 1

do
does
did
都是助动词，而do
does
用于一般现在时，
did
用于一般过去式，主要都用于疑问句中，有时也可以将他们放在动词前面来强调此动词
例：How
do
you
feel
now
?
What
does
he
think
of
this
film
?
以下同理
（强调：We
did
go
there
yesterday.)
is
are
were
was
是be动词的不同形式，is
are
用于一般现在时，区别：is（主语是单数，如he
she
）are
（主语为复数，如we
they）
同理，were
was用于过去式，were
(主语单）was
（主语复）
例：
How
is
he/
are
you
/are
they
?
Where
was
it
/were
they
?
固定搭配
：you
are
/I
am