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ball and table tennis. The weather bees colder and colder. B:特別用法: 祁使句后連接and,有條件句作用,此時(shí)and=if you…,you’ll… Go straight on, and you’ll see the library.==If you go straight on, you will see the library. 2)both…and…既…也…,(兩者)都… A、both…and…構(gòu)成的詞組作主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞用復(fù)數(shù)。概念 連詞是用來(lái)連接詞,短語(yǔ),從句或句子的詞。連詞不作成分。 Both Jim and Kate are from England. B、both…and…否定句表示部分否定。 Mary was a nice girl, but she had one shorting. Tom got up early, yet he failed to catch the train. He was very tired, still he kept on walking. Your position is fairly good, however, there is still some room for improvement. Jane is hard working ,while her sister is quite lazy. :or, either…or…,whether… or…等。要么…要么… A. either…or…連接兩個(gè)并列主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞靠近哪個(gè)主語(yǔ)就與哪個(gè)主語(yǔ)保持 “人稱”和 “數(shù)”的一致,即就近原則。 After they had planted their crops, they took a rest. We have learned six less