is going to be 的用法
is going to be 的用法
be doing be is going to will用法的区别
be going to 的用法,
be going to 的用法
is going to be 和 are going to be的用法区别
will have、is going to be、has、is going to have的用法与区别,
be going to的基本用法
be going to的含义及用法
关于be going to的用法
be going to do结构的用法
关于 be going to 的用法
it is going to be built. 这里的be是什么用法?谓语是哪个?