条件状语从句什么时候不是虚拟?I would be very grateful if you could mail th

I would be very grateful if you could send me the invation l if you know his address,I would be very grateful.为什么用的不是knew 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 much grateful if you could help me seek out a gir 虚拟语气条件状语从句中表将来用should的话 If we should go swim,we would very h If you ___ (can) help me,I would be grateful. 英语作文指点这句话有错误吗?I would be grateful if you could solve this ma would you mind if i smoke here 是宾语从句还是条件状语从句 i would be glad if you could help me.是不是虚拟语气,对过去 If you can help me,i will be grateful.If you could help me,i