He could be running for exercise

He could be running for exercise Why could he be running?同义句转化() could he be running()? he could be running for exercise分析一下句子结构 特别是could be running 英语翻译以下如同1.he could be running for exercise.2.he might be running to catch a bus.3.it must be teenagers having fun 1.He might be running ___(catch) a train 2.She could be ( )(shop) in the supermarket The man could be running 对〈 〉部分提问_____ ______ the man be running? The man could be running for exercise,----?反义疑问句 The man could be running for exercise.为什么用running而不是run 谢啦在线等 be running 英语：根据对话写故事man:hey,look at the man running down the street.i wonder what is happening?woman:he could be running for exercise.man:but he is wearing a suit.woman:well,he might be late for work.man:he looks king of scared.woman:oh,no! he was running as quickly as he could ________ (catch)the bus .该用哪种形式. he dropped his rifle and started running for the cabin as fast as he could. wants be he running a star to连词成句 He might be running _____(catch)a bus. He might be running-------（catch） the bus He said he was running.He said he wanted to be a teacher 这两句怎么翻译 The man could be running for catching a bus改为同义句 Maybe there is something strange in the yard.同义句_____ could he be running ____?应该是Maybe there is something strange in the yard。同义句There ____ ____ something strange in the yard.