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课件网) Module 5 Museums Unit 3 Language in use 英语外研版 九年级上册 1．Can't you see the sign, kid “No entry.” 2．Don't be rude! 3．... and you must not touch anything. 4．So if you ever go to London, make sure you visit the Science Museum. 语法探究 表示“禁止做某事”的结构和if引导的条件状语从句(Ⅰ) 表示“禁止做某事”的结构 结构 例句 No＋名词或动名词 No photos！禁止拍照！No shouting！禁止喧哗！ Don't＋动词原形 ◇Don't open the door! 不要开门！ ◇Don't be late again！不要再迟到了！ If I start after dinner, I’ll finish it before I go to bed. If you do all these other things instead of your homework, you won’t have time to study. He thinks something will go wrong if I play games on it. Look at these sentences, which sentences have a comma(逗号) in the middle and which doesn’t When “if” is in the middle of the sentence, there is no comma. 新课讲授 Language practice 条件状语从句 主句 从句 引导词 If I start after dinner, I’ll finish it before I go to bed. 翻译：如果我在晚饭后开始，我将在我睡觉前完成它。 主句 从句 引导词 翻译：如果你老是做与学习无关的事情，那么你就没有时间学习。 If you do all these other things instead of your homework, you won’t have time to study. 3. if从句的用法 本模块主要学习并运用“if从句+祈使句”这种结构来表达建议。 比如说，如果对方生病了，你建议他去看医生，就可以说： If you do not feel well, please go to see the doctor. 你如果感觉不舒服，就去看医生吧。 Grammar Match the signs with the rules. No swimming. No football. No right turn. No parking. No littering. No food and drinks. 01 Language practice (2)“主情从现” if 引导的条件状语从句，若主句中有情态动词时，从句用一般现在时表示将来。 e.g. If it stops snowing, we can go out. 如果雪停了，我们就可以出去。 (3)“主祈从现” if 引导的条件状语从句，若主句是祈使句，从句用一般现在时。 e.g. If you have an exam, be careful. 如果你要考试，要仔细。 拓展：if 引导的条件状语从句和if 引导的宾语从句用法不同 if 引导条件状语从句 引导宾语从句 意为“如果”，遵循“主将从现”原则。 意为“是否”，从句时态依照动作发生时间而定。 e.g. Can you tell me if she will come tomorrow 你能告诉我她明天是否来吗？ If you practise speaking English every day, you will improve your English. 如果你每天练习说英语，你的英语水平将会提高。 _____ Don’t touch. No smoking. No entry. No photos. Look at the signs and write the rules. 2 1 2 3 4 _____ _____ _____ 1 If you _____ (want) to see old machines, _____ (go) to the museum. 2 If you _____ (visit) London, _____ (take) a boat trip on the river. 3 If the computer does not _____ (start) immediately, _____ (wait) for one minute. Complete the sentences with the correct form of the words in brackets. 3 want go wait start take visit 6. Complete the sentences with the words or expression in the box. 1．The Science and Technology Room is _____ the third floor. 2．Take the lift to the third floor. It is over there, _____ the stairs. 3．There is a garden _____ the back of the building. at between inside into next to ... ...
