t will be grateful if you issue them visas as soon as possible!

i will be grateful if为什么要有be t will be grateful if you issue them visas as soon as possible! If you can help me,i will be grateful.If you could help me,i would be grateful.这两句话涵义区别 这几句英语哪句最委婉?哪句最不委婉?I will be grateful if you can tell me.I would be grateful if you can tell me.I will be grateful if you could tell me.I would be grateful if you could tell me.我倒是觉得will 比较委婉吧，will if you will be helping me ,i shall be very grateful to you.为什么要用be helping呀? be grateful If you can help me,i will be grateful.If you could help me,i would be grateful.这两句话涵义区别是什么?求专业人士解释 不专业的别来 I would be much grateful if you could help me seek out a girl 这句话为什么是would be而不是 will be I don't know____he will be back. I would be very grateful.very能不能换成much? be grateful to be grateful for Recently did not know why,the heart is very tired,always feel short,who can do me a favor.I will be grateful 一起帮我翻译一下 be grateful to 的be 可以缩写吗,比如一个句子：i'm grateful to..是正确的吗 if you ___ me,i shall be grateful to you.A helped B will help C are helping D will be helping请问ACD错在哪里呢will 这里是指将来还是愿意? You won't be alone and I will always be be grateful for sth BE DEEPLY GRATEFUL Don't be late,will you?No ,I won't .I will be there be there on time 对吗,为什么