be missing u and i will missing u .有何分別???
首先應知 miss 這字有多種解法. 完全要看你前文後語才能確定.
例如你寫的:
1) be missing you (錯) will miss you 才對= you'll be missed (by us) 我們會掂念著你.
2) will missing you = 將會失去你.
如是: We will miss you 則等如第一句.
As a conclusion: miss (verb) = 掛念 or 掂念. missing (adj) = 失去.
好似不太清淅, 但望你能領會.