也许以后联系少了,但记得我永远在你身后用英语怎么说？

Maybe we will contact each other less,
but you know that l will be with you
forever.

这是一个并列句，因为有转折关系，所以用but连接。翻译，
Maybe we will be less in touch with each other but I will be behind you forever
例如，Maybe you were wrong but you could correct the mistake.
也许你错了，但是你可以改正。