I would be much grateful if you could help me seek out a gir

I would be much grateful if you could help me seek out a gir If you ___ (can) help me,I would be grateful. If you can help me,i will be grateful.If you could help me,i We would be grateful if you could help us. I would be grateful if you could give me some advice If you could give me some advice I would be grateful. I would be very grateful if you could send me the invation l I would be grateful if you would consider me for the positio i would be glad if you could help me.是不是虚拟语气,对过去 would you marry me if i could be a rich guy would you marry if you allowed me to go there ,i would be grateful是不是错句,为什么i If he ( )help me,I should be very grateful to you.为什么只能填shou