be going to的to是不是有时可以省略呢?
be able to可以省略to么?
be going to do的句式里是不是be going作谓语,to do作状语?
be going to be going to have呢 啥区别
it was found to be over thirteen feet long这里的to be 可以省略吗?
i want it to be done的to be 什么时候可以省略
将来时态be going to是不是助动词?
英语将来时句型be going to的句型中可以有have呢还是there be going to句型中不能有have?
be going to 固定搭配,be going back 呢
to be of中的to可以省略吗
be to加动词原形是不是表示按计划要发生的事或征求对方意见,那be going to 呢
be going to 和will 的区别是什么呢?
gonna 用法gonna究竟是相当于be going to,还是going to,一般是说等于going to,但有时