一、Not和No 请看这两组句子: He is not a poet.① He is no poet. ② There isn’t any water in the bottle.③ There’s no water in the bottle.④上面两组都是否定句,但是意思不一样。句①和③是一般否定句:①“他不是诗人。”③“瓶里没有水。”句②和④都是强调性的否定旬:②“他根本不是诗人。”(“他不会写诗。”)④“瓶里一点儿水也没有。”从语法上说,not是副词,用以构成否定句,其位置在动词be,或第一个助动词(或情态动词)之后(在口语中常以-n’t的缩略形式出现): One, Not and No Look at these two groups of sentences: He is not a poet.1 He is no poet. 2 There isn’t any water in the bottle.3 There’s no water in the bottle.4 Sentence, but the meaning is not the same. Sentences 1 and 3 are general negative sentences: 1 “He is not a poet.” 3 “There is no water in the bottle.” Sentences 2 and 4 are all emphasized negative tense: 2 “He is not a poet at all.” (“He can’t write Poems.”) 4 “There is no water in the bottle.” Grammatically speaking, not is an adverb, used to form a negative sentence, its position after the verb be, or after the first auxiliary verb (or modal verb) (in oral English In the abbreviation of -n’t often appears:)