were shown是什么时态
were shown是什么时态
were used是什么时态
was/were+过去分词是什么时态
they were gone.这是什么时态?
how long were you there 是什么时态,能等于什么
were just being hit by .是什么时态什么形式?
was和were是什么人称,什么时态,还要英文例句
if i were listenning to the radio是什么时态
am\are\is was\were been 分别是什么时态?
was/were+been+动词的过去分词是什么时态
They were in the library just now是什么时态?
主语+was/were +动词ed是什么时态