人教版高中英語必修三unit4astronomythescienceofthestarsgrammar主語從句教學課件-資料下載頁
2024-11-18 14:10本頁面
【導讀】在句中充當主語的從句叫做主語從句。依據“缺什么補什么”原則確定正確的連詞。么補什么”是指句型結構與連詞之間的關系。what或which；什么都不缺用that。主語從句作主語時，謂語動詞一般用單數形式。“that”一般不能省。
【正文】 D Where 3. It worried her a bit ___ her hair was turning gray. B. that C. what D. when I say and think ___ none of your business. A. is B. are C. has D have It + be + 形容詞 ＋ that從句 It is necessary that… 有必要 … It is important that …. 重要的是 … It is obvious that…… 很明顯 …… It + be + ed分詞 ＋ that從句 It is believed that… 人們相信 … It is known to us/all that …. 眾所周知 … It has been decided that…… 已經決定 …… 用 it形式主語的 that從句有以下四種不同的搭配： It + be + 名詞 ＋ that從句 It is mon knowledge that… … 是常識 It is a surprise that …. 令人驚奇的是 … It is a fact that…… 事實是 …… It + 不及物動詞 ＋ that從句 It appears that… 似乎 … It happens that …. 碰巧 … It occurred to me that…… 我突然想起 ……
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