1)  我累了。昨晚我不该那么晚睡觉。 (should not + 动词完成式)
I’m tired. I should not have gone to bed so late last night.
2)  我和鲍勃不是很熟，不过我们偶尔一起出去喝一杯。(occasional)
I don’t/didn’t know Bob very well, but we go/went out for an occasional drink together.
3)  我们应该到火车站接她。 (be supposed to)
We’re supposed to meet her at the railway station.
4)  你可以清楚地看到有人快要淹死, 而你却没有采取行动救他们。(drown, take action)
You could clearly see people drowning, but/and yet you took no action to save them.
5)  包括周末在内，仅仅还有12天时间可以用来买圣诞礼物。     (including)
Including weekends, there are only twelve more days to buy Christmas presents.
6)  如果不立即采取行动，许多种野生动物就会因饥饿而死亡。 (without, hunger)
Without immediate action, many kinds of wild animals would die from hunger.
1) 那首歌总是使她回想起在芝加哥度过的那个夜晚。(remind… of…)
That song always reminded her of the night spent in Chicago.
2) 街角处刚巧有一位警察，我便向他问路。(happen to, corner)
There happened to be a policeman on the corner, so I asked him the way.
3) 由于天气恶劣，今天所有去纽约的航班都延误了。(delay)
All flights to New York today are/were delayed because of the bad weather.
4) 谁有责任谁就必须赔偿损失。(whoever, responsible)
Whoever is responsible will have to pay for the damage.
5) 我找不到我的支票簿。我准是把它留在家里了。(checkbook,must have)
I can’t find my checkbook. I must have left it at home
6) 到足球比赛快开始时，暴风雨已经停了。(by the time)
By the time the football match was going to start, the storm had already stopped.