mother is coming in a few days.中的is coming不是正在进行时吗?

mother is coming in a few days.中的is coming不是正在进行时吗? may day (）in a few days.1,is coming 2,comes 选什么? She is coming back in two days中为什么要用coming. Christmas Day is coming--------.a.soon b.after two days My mother ____ this afternoon.A.is coming B.was coming C.gon Winter is coming in Shanghai. His coming is a s_________toallofus Here is coming a bus. A new play is coming to "The Glode" soon.中的coming是什么意思啊?这是语法 he is coming back in a minute(同意句改写) Look,in Our maths teacher a is coming B comes My uncie is coming (in three days)对括号里提问