四类
实意动词
,系动词,助动词,情态动词
动词不定时:
动词不定式除了谓语不能做,其他成分都可以。如:我想学好英语。I
want
to
learn
English
well.
to
learn
就是动词不定式做宾语。我有很多作业要做。I
have
a
lot
of
homework
to
do.
to
do
就是动词不定式做定语。To
say
is
easy,
to
do
is
hard.
to
say,
to
do
就是动词不定式做主语。My
job
is
to
clean
the
street.
to
clean
就是动词不定式做表语
及物动词和不及物动词
情态动词
助动词
还有一个结构是主系表结构的句子