【正文】 w soon can he finish it?how long多久問一段時間，問物體的長短He has lived here for a year. How long has he lived here?The desk is one meters long. How long is the desk?how often多久（一次）問頻率I go to see my parents once a month.How often do you go to see your parents?(一)疑問句的基本結構特殊疑問句的基本結構是：特殊疑問詞+一般疑問句結構，其答語要根據(jù)特殊疑問詞來回答，讀的時候用降調(diào)。Whose bike is this? 這是誰的自行車？It’s mine./ my bike/ Lily’s. 是我的/我的車/莉莉的車。6. When is your birthday? 你的生日是什么時候？ On August 24th. When 詢問時間，其答語應為表時間的詞或短語，時間范圍較大。t at school today because he is ill.Why isn39。7. How many people are there in your family? How many 用來詢問數(shù)量，其答語為數(shù)詞。2. Which 表示詢問哪一個。(1) What time is it? 幾點了 It is six o’clock. 6點了 What time 用來詢問時間，其答語通常為具體時間。 Why用來詢問原因，答語要用because (因為)10. how often用來問頻率（多久一次） How often do you play football?11. How soon will you e back? 你再過多久回來？ in a week. 再過一個星期 how soon詢問未來的時間，常用于一般將來時。（二）疑問詞的用法：英語中的疑問詞可分為疑問代詞和疑問副詞兩類：疑問代詞有：what, which, who, whose疑問副詞有：where, when, why, how疑問詞還可以與某些單