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is C. e。 2. if從句的位置 if引導(dǎo)的從句可以放在主句之前,也 可以放在主句之后。 Keep off the grass. 請(qǐng)勿踐踏草坪。1. No shouting, please! 2. Don’t cross that rope! 3. Don’t be rude! 4. If you ever go to London, make sure you visit the Science Museum. Look at the following sentences. 1. No shouting, please! 請(qǐng)勿喧嘩 ! Don’t cross that crop! 不要越過那條繩子! No photos. 請(qǐng)勿拍照。 1. Match the signs with the rules. 1. No swimming. 2. No football. 3. No right turn. 4. No parking. 5. No littering. 6. No food and drinks. 2. Look at the signs and write the rules. _______________ _______________ _______________ _______________ Don’t touch. No smoking. No photos. No entry. if引導(dǎo)的狀語從句。例如: If you ever go to London, make sure you visit the Science Museum. 如果你去倫敦,一定要去參觀科學(xué)博物館。 is D. es。 will be B. will e。 if后面通常接一個(gè)完整的句子作從句。 . Don’t make any noise. 不要吵鬧。 表示“禁止做某事”的結(jié)構(gòu),它的主要構(gòu)成形式有: 1) No + 動(dòng)名詞 . No smoking. 禁止吸煙。 if引導(dǎo)的狀語從句不是指已經(jīng)發(fā)生的事件,而是指能夠發(fā)生或可能發(fā)生的事件??梢愿膶憺椋? Make sure you visit the Science Museum if you ever go to London. 3. if從句的用法 本模塊主要學(xué)習(xí)并運(yùn)用“ if從句 +祈使句”這種結(jié)構(gòu)來表達(dá)建議。 will be 4. If you want to buy this dress, you’d better _____ first to make sure it fits you . A. pay for it B. take it off C. tidy it up D. try it on Planning a guide to a museum ◆ Describe the museum: what kind of museum it is and what you can see there. ◆ Draw a diagram of the museum: what you can find on each floor. ◆ Provide more information: how to get to the museum。 ticket information, etc. 9. Work in groups. Prepare a guide