Why would they be here?

If they had starded earlier than expected,they would be here --They (be) here. the words that they would be appropriate to enter here.翻译 did they say they would be coming? why in the world that would be? They said they would arrive here in a week they _____（be) here a moment ago. They will be arriving here tomorrow. Why do they come here? ____ do they come here ____? (句型转化 一词 i am afraid they would not allow him()here 英语翻译I'll be here.Why?I'll be waiting...here...For what?I'll that’s could be one reason why I here.