名词性从句“it”用法微课-宁乡五中彭基莲

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1、 -Mrs PengNoun clauses Observe and think1. It is said that he has been there many times.2. It is certain that we would not be able to understand Old English today.3. It is hard to master a foreign language. 4. It is a difficult thing for me to get up early in the morning.5. It takes a lot of my time

2、 travelling to Beijing.6. It requires a lot of patience learning English. 为了避免句子主语过长，我们通常用_作形式主语，真正的主语被放在句子后面，可以是_ ， _ 和_ 。Conclusion 2 it主语从句不定式V-ing It 作形式主语时可与seem, appear, happen, turn out和prove 等词连用。Attention Practice1_ I was in the countryside at the time. 那时我恰巧在乡下。2. _is foolish of you _ such a good chance. 放弃如此好的一个机会，你太愚蠢了。3. _is no use _ over the spilt milk. 为打翻的牛奶哭泣是没用的。It happened thatIt to give upcryingIt