系动词与形容词构成系表结构。
首先,连系动词分为三类:be 动词,感官动词,趋势动词。
1) Be 动词:am, is, are, was, were
2) 感观动词:sound, look, keep,taste, feel, smell
3) 趋势动词:appear, become, grow, get, turn, seem, remain,go
注意:
有一些动词既可以做连系动词又可以作及物动词和不及物动词。
He is growing very fast. ---不及物动词
I am growing apples in my backyard.---及物动词
The sea is growing rough.---连系动词
He is tasting the food.--- 及物动词
The food tastes good.--- 连系动词
其次,可以做表语的成分:名词, 形容词,副词, 动词不定式,动名词,过去分词,现在分词,表语从句.(注意:连系动词不能够单独作谓语,他们必须和表语一起工作构成谓语):
eg. He became strong.
remain young
The food tastes delicious.
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