1.
It's getting dark.I must pop off now.
天就要黑了，我现在该走了。
2.
If you 'll excuse me, i really have to go now .
请原谅，我现在真的该走了。
3.
“I am leaving now.”“So am I.
“我现在要走了.”“我也要走.”
4.
D: Aha! That's it. Now I know what to do.( He runs off.
唐：啊哈！就是这样。现在我知道该怎么做了！（跑走了。
5.
I mailed the letter a week ago; you should have received it by now.
我一星期前就把信邮走了,你现在该收到了。
6.
We ought to be heading back if we want to reach home before dark.
如果我们想天黑前到家, 现在该往回走了。
7.
We must have gone wrong somewhere, we should have reached the town now
我们一定是在什么地方走错了路，现在我们应该已经到达城镇了。
8.
I have put up with your irritating presence for too long, it is time to brush away the flies.
=>我忍你已经忍了太长时间，现在是赶走该死的苍蝇的时候了。
9.
Much to my regret, I must leave you now.
很抱歉,我现在得走了。
10.
"I had better go now,"he said when the passage had been cleared up
“现在我该走了，”亚瑟等那一节书解释清楚以把它澄清的。
11.
A: Well, it's getting late now. We have to leave. We enjoyed your most delicious dinner. Thank you very much.
甲：好，现在时间不早了，我们该走了，我们享受了你们的非常美味的晚餐，多谢了．
12.
The time is up, and we must go.
时间到了，我该走了。
13.
I went too far at the left. I should tack half way of the left.
我在左面走的太远了，我应该在左面走到一半时就迎风换舷。
14.
'It's time to go. ' 'I'm not ready yet. '
‘该走了。’‘我还没准备好呢。’
15.
we move on to a next step.
我们应该走下一步了。
16.
Regan MacNeil： I was possessed by a demon. It's OK. He's gone.
瑞根：我刚被魔鬼附体，现在好了，他走了。
17.
I 'd like to talk about this some more, but I have to be going now .
我很想再谈一会，但是我现在得走了。
18.
I must go now, ie I feel obliged to go.
我现在得走了，即我觉得有此必要。