非谓语动词 (二)非谓语动词疑难问题归类详解一、 非谓语动词各种形式所表表示的时间概念:(1) 如用“(to) do”,表该动作是重复性的或将要做的,如:I often see him draw
我经常看见他画画
He is said to come tomorrow
据说他明天来
(2) 如用“to be doing”,表该动作正在进行,如:I am excited to be performing on the stage
在舞台上表演我很激动
He pretended to be reading when the teacher came in
(3) 如用“to be done”,强调该动作是被执行
He was said to be sent to abroad
(4) 如用“to have done”或“to have been done”,表该动作已完成,如:I'm sorry to have kept you so long
对不起让你久等了
(5) 如用 being done,则可表时三种意思
作主语,表被动 Being admitted to Beijing University is my dream
作宾语(在少数动词或介词后) ,表被动
Do you mind being left alone at home
I’m worried about being left alone at home
作定语,表被动(正在被) The building being built is a lab
(6) having done 表示的时间在谓语动词所表示的时间之前,且表主动,常用作 句子的状语
Having finished his homework , he went out to play
(7) having