He studied English for three years.(对划线部分提问）划线部分是for three years.

he studied English well 改为同义句 he has studied English for five years 同意句是什么 He studied english very well ,but his p____ is poor he has studied english for 4 years一般疑问句 He asked me________l studied English or Frech.A.why He has studied English for 6 years改为同义句改为同义句：He has studied English ______ ______ He studied English in Tianjin five montHe studied English in Tianjin five months ago （用now 改写） kate studied english 对studied english she studied English He spoke English well.He( ) studied the language for years括号处为什么填must have He spent every minute he could ( ) English.A. study B studying C to study D studied He must have learn English for three years,___?A.hasn't he B.haven't he C.mustn't he D.didn't he网上有这种说法：陈述部分有must 的疑问句,疑问部分根据实际情况而定.He must be a doctor,isn't he?You must have studied English f He is not clever,but he studied very hard.And f-------he passed the exam He has already studied English for six years(改为一般疑问句)___he___English for six years___? He has never studied English._______ ______ (改为反意疑问句） He studied English in Tianjin five months ago.(用now改写） he must have studied English for many 为什么要用have而不是has He studied English in Tianjin five months ago(用now改写)