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需要提及的是,“ be of + 名詞”結(jié)構(gòu)的否定形式一般采用否定名詞的做法:“ be of no + 名詞”。 of vital importance=very important “ of+抽象名詞”相當(dāng)于該名詞相應(yīng)的形容詞。 wouldn’t get C. were driving。如: He did it as if he were an expert. Even if she were here, she could not solve the problem. (2)虛擬語氣用于定語從句中。如: She suggested we (should)leave here at once. The doctor ordered she should be operated. (2)虛擬語氣在同位語從句和表語從句中的運用。 Module 6 The World’s Cultural Heritage Section 2 The Analysis of the Difficult Sentences from Module 6 The World’ s Cultural Heritage 1. Fewer than 5% lived to the age of 50. 活到 50歲的人不到 5%。 作表示建議、要求、命令等的名詞 advise、 idea、 order、 demand、 plan、 proposal、 suggestion、request等的表語從句和同位語從句,從句中的謂語動詞用 “ ( should) + 動詞原形 ” 。 這種從句常用于句型 “It is (high)time (that) ? ” 中,定語從句的謂語動詞用一般過去時 (be用 were)或 should + 動詞原形,意思是 “( 現(xiàn)在 )該 ??” 。 wouldn’t get D. had driven。不過,這種結(jié)構(gòu)常用于較正式 的場合,書面語中尤為常見。例如: He is of no colour, for he has been ill for two weeks. 他毫無血色,因為他患疾兩周了。 He was of noble birth and high rank. 他出身于高貴門庭。 what 9. Without the air to hold some of the sun’s heat, the earth at night ____ which is too cold for us to live on.(1997上海 ) A. would be freezing cold B. will be freezing cold C. would be frozen cold D. can freeze coldly 10. The two strangers talked as if they ____ friends for years.(1993上海 ) A. should be B. would be C. have been D. had been Keys: 15 CBCDC 68 BCBAD