auxiliaries,and semi-auxiliaries.The function of oO primary auxiliaries (do,have,be )is to combine with main verbs to form complex verb phrases And this lecture concentrated on the uses of modal auxiliaries and the next on semi-auxiliaries. 六、名词(Noun) This lecture covered three aspects of noun, including "the classification of nouns","the number forms of nouns",and "the case of nouns". 七、形容词和副词(Adj.&Adv.) This lecture falls into two parts:the place of adj adv.and the comparative and superlative form of adj.adv.As we know most adjectives and6 • auxiliaries, and semi-auxiliaries. The function of primary auxiliaries (do, have, be ) is to combine with main verbs to form complex verb phrases. And this lecture concentrated on the uses of modal auxiliaries and the next on semi-auxiliaries. 六、名词（Noun) • This lecture covered three aspects of noun, including “the classification of nouns”, “the number forms of nouns”, and “the case of nouns”. 七、形容词和副词(Adj.& Adv.) • This lecture falls into two parts: the place of adj. & adv. and the comparative and superlative form of adj. & adv. As we know most adjectives and