when引導(dǎo)的時間狀語從句.pptx

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1、when 引導(dǎo)的時間狀語從句 I will come here tomorrow. I will come here at 3:00. I will come here in the morning. I will come here when you are not busy. 時間狀語若為句子，則該句稱為時間狀語從句。 時間狀語從句就是在復(fù)合句中表 示主句動作發(fā)生時間的狀語從句。 when引導(dǎo)時間狀語從句時，意思是“ 當(dāng)?shù)臅r候”。 Ill call you when I get there. 我到那里時就給你打電話。 When I got home, my wife was cooking

2、 dinner. 我到家時，我妻子在做晚飯。 The boy will be a writer when he grows up. 這個男孩長大時將成為一名作家。 Attention 1， 主句從句時態(tài)要一致 主句過去 從句過去 When he was 7, he could swim. 主將從現(xiàn) 主祈從現(xiàn) 主情從現(xiàn) When he comes , we will start the meeting. When you are ill, you must see a doctor. Be careful when you cross the street(大街). 2, 主句從句位置問題 when從句放主句前后都可，從句防主句之前需 逗號隔開。 1. Well start out _ the teacher comes. A. when B. while C. though D.but 2.-Please remember to say goodbye to Mr.Smith when you _ tomorrow. -Sure, I will. A. leave B. will leave C. left D. have left