高中英語unit4astronomythescienceofthestars語法學(xué)案導(dǎo)學(xué)新人教必修(編輯修改稿)
2025-07-05 00:36 本頁面
【文章內(nèi)容簡介】 __________________________________4. 他總是第一個來，最后一個離開。___________________________________5. 既然你已經(jīng)長大了，你自己決定吧。___________________________________Step 2 PreparationShow some example sentences on the screen.1 A tree has fallen across the road.2 You are a student.3 To find your way can be a problem.4 Smoking is bad for you.5 “How do you do?” is a greeting.6 What she said is not yet known.7 That we shall be late is certain.8 It’s certain that we shall be late. What part does the underlined part serve as in each sentence? Or find its subject in each sentence.Step 3 Grammar定義： 用作主語的從句叫主語從句，它是名詞性從句之一。引導(dǎo)主語從句的連接詞有：連詞that, whether；連接代詞who, what和which；連接副詞when, where, how和why。1) 由what等代詞引起的主語從句： What the teacher said today was quite right. 老師今天說的話是十分正確的。2) 由連詞that引起的主語從句： That they are badly in need of help is quite clear. 他們急需幫助，這是十分明顯的。 但是這類句子在大多數(shù)情況下會放到整個句子的后部去，
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