I will always be your side. 既可以用于表白也可以用于朋友间的安慰。
I will accompany you forever. 表白多一点吧
I'd like to be your shadow.whereever you go, I am with you. 表白
I stand on your side. 表示支持 我站在你这边。
we will never and ever be apart. 我们永不分离,表白
I will always be with you.
这个哪儿都可以用,只要表示你对对方的无止境的支持或者爱恋 亦或者理解。都可以用
It will be me who you will be together all the time.
I will always be with you.