i will always by your side 还是 i will always be by your side. 语法上哪个是正确的?

问题描述:

i will always by your side 还是 i will always be by your side. 语法上哪个是正确的?
我将永远陪伴你左右.语法上哪个是正确的呢?

应该是I will be always by your side是最好的说法,by是介词需动词或be动词才能构成句子