When you are home ,give a call to let me know you have arrived sa_英语解答

When you are home ,give a call to let me know you have arrived safely
为什么不说will have arrived?when的从句是主将从现可是后面半句表达的是将来的意思

人气：121 ℃　时间：2019-08-19 20:40:57

解答

但是整句话的意思是,当你到家后,给我个电话让我知道你'已经’到家了.
后半句强调的是完成时态.而且有将来完成时这个说法么.