have been +v.ing是神马意思 怎么用
have been +v.ing是神马意思 怎么用
have been doing 神马意思?
have/has + been + v-ing 其中的been .
现在完成进行时的公式是have been+v.ing例如:I‘ve been skating for five year
switch mirror 是神马意思?and 等待ing
have been (ing) doing sth.意思?有(ing)吗?
神马是神马意思?
神马是神马意思
用could+inf,was/were+v.ing,had+p.p.,had been+v.ing ,would+inf
现在完成进行时不是have/has been +v-ing形式吗,为什么下面这道题要填
英语问题 have+ed和 have+been+ing 的区别,和他们的意思,求详解
how long have you been studing english?为什么been后面是动词ing ,不是应该