now后面加動詞原形嗎

一般情況下,有 now 的句子用現(xiàn)在進行時,強調(diào)時間.即：be doing sth

Now am doing the homeworkNow,she is eating the lunch? Now,they are playing football

有時也可以加動詞原形。

Now ,you can leave.

Now l have to go.

Now? It's time to cass.

now可用作副詞，表示現(xiàn)在，馬上，此刻。用作名詞時，有現(xiàn)在，此刻的意思；

用作形容詞時有現(xiàn)在的，目前的等含義。

一.now用作副詞，表示現(xiàn)在，馬上，此刻。

You've got to ask him.It's now or never.你得去問他,機會難得。

Until now she has never been to see a doctor.到目前為止她還沒有去看過醫(yī)生。

二.now用作名詞，表示現(xiàn)在，目前。

The boss is being in royalspirits right now.此刻，老板情緒極好。

三.now用作形容詞，表示現(xiàn)在的，當(dāng)今的。

She had now a life filled also with a beneficent activity.她目前的生活里善行頗多。

Now,aliving language has been found that can play the same intermediary role more successfully.

最近，已找到了一種現(xiàn)存的語言，它能更有效地起到中間媒介的作用。