为什么watered加ed而不加ing呢?the flowers his friend gave him will di
The flowers his friend gave him will die,unless watered ever
The flowers his friend gave him will die unless__every day.
为什么I can go swimming (swim)加ing而I can see the flowers不加(ing)
we will ba best friend为什么不加the
为什么动词leave不加ing呢
"Visiting a friend"中,visit为什么要加ing呢?
形容词什么时候加ed什么时候加ing 什么时候不加
英语单词为什么要加ing和ed
为什么excited加ed,而looking加ing,请解释,谢谢
为什么was后面动词可以加ing或者加ed?什么情况was后面动词加ing?什么情况was后面动词加ed呢?
请问这些请求的句式为什么有些动词加ING,有些加ED呢?
i like swimming为什么加ing而i can swim为什么不加ing