He become a bus driver and he has not regretted it 这里为什么用has

He become a bus driver and he has not regretted it 这里为什么用has however,he became a driver and he has not regretted it He is he became a bus driver and he was not regretted it. 新概念英语2册35课有一句话是：He became a bus driver and he has not regret my brother__works in that factory,he has become a bus driver he became a bus driver.这句话可以说成he has became a bus driver吗? he has become a He has got dark hair and blue eyes.这里为什么要用has.是是什么语气. My brother ___ works in that factory,he has become a bus dri My brother( )works in that factory,he has become a bus drive he `s not yet had time to make a judgement.为什么这里用had 而不用has呢 Did he have a key?这里的he是第三人称,为什么不用has而用have?