定语可以是形容词,也可以是名词,定语用来修饰名词。如:pretty girl, the construction band of China. 表语可以是形容词,名词,介词短语等很多形式,只是和系动词搭配够成一定含义,我们就叫它表语。而系动词包括:be的各种形式,以及感官动词look, seem, smell, sound, taste, feel, 还有turn, get等。如:He is a student.名词做表语。the flower is beautiful. 形容词做表语。I am at home. 介词短语做表语。 It smells good. The leaves turn yellow.
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