Because of the bad weather,many of Europe's airports have sh

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/06/30 21:10:23

Because of the bad weather,many of Europe's airports have shut and passengers had to stay in congested airspace.
由于天气问题,许多欧洲机场关闭,旅客不得不滞留在拥挤的空间.
请问这个句子中的时态,为什么前面是现在完成时have shut,而后面是一般过去式had to stay,

现在完成时,have done,表示完成,had to,have to的过去式,前面是由于许多欧洲机场关闭,所以旅客不得不滞留在拥挤的空间,have shut 的时间发生在stay前,所以为什么前面是现在完成时have shut,而后面是一般过去式had to stay

Because of the bad weather,many of Europe's airports have sh because of the bad weather We_______having apicnic because of the bad weather. some of the classmates----because of the bad weather.A have so many students ( ) because of the bad weather,the exam had 英语介词填空~1.Because of the bad weather we have to put _____ the Because of the bad weather,I have to stay here for an extra We found the holiday f______ because of the bad weather The sports meeting __(cancel)because of the bad weather. the plan _____ because of the bad weather . He stayed at home because of the bad weather Because of bad weather the airplane was ____for one hour