疑问词进行提问/回答 · 英语学习

# 疑问词1 `when,where,who,what,how` ``` He bought three books yesterday. 1 He 2 three books 3 yesterday 1. Who bought three books yesterday? 2. What did he buy yesterday? 3. When did he buy three books? ``` > 疑问词的提问，疑问词均在句首 > 对主语提问：句子成分的顺序按照正常称述句的顺序排列 > 对非主语提问：需要使用助动词构成疑问句，或者原句中有自己的助动词或be动词时，需将助动词或be动词提到疑问词的后面，并且动词需变为原型 ``` They wanted to go to Shanghai by air. 1 They 2 to Shanghai 3 by air 1. Who wanted to go to Shanghai by air? 2. Where did they want to go to by air? 3. How did they want to go to Shanghai? ``` # 疑问词2 `how long(多长时间) how far(多远) how often(多久一次) why(为什么)` * They have been in China for three years. How long have they been in China? * It is about(大约) 4 kilometers from Beijing to Xi'an. How far is it from Beijing to Xi'an? * They come to visit me once a week. How often do they come to visit me? * She came late, because she missed th bus. Why did she came late?