小学英语语法总结:动词的变化(4)
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2019-07-25 13:52:44
7)常见缩写:
is='s I am=I'm are='re
is not=isn't /iznt/ are not=aren't /a:nt/
do not=don't
does not=doesn't
was='s
did not=didn't
can not=can't
have='ve
has='s
have not=haven't
has not=hasn't
will='ll
will not=won't
shall not=shan't
