1) By that time, travelers had already gone about ten miles and began to feel tired.
2) Tom and John looked at each other, trying to figure out what had happened.
3) By three o'clock, they had finished all the preparations for their daughter's birthday.
4) Last night I finished translating an article I began to translate before.
5) All students were in the classroom, but the teacher has not yet arrived.
6) I did not have time to translate this text by the end of the working day and I had to stay in the office after work.
7) My parents were not at home this morning. By that time they have already left the city.
8) Although Tom returned home at midnight, his wife and children were still awake.
9) Yesterday, before the meeting, we discussed this issue.
10) All finished their work by the appointed time.
11) We got home, before it started to rain.
12) By noon, the doctor had already examined ten patients.
13) By the end of the week we have already prepared everything.
14) Finally I found out what happened to my friend.
15) The film has already begun when we entered the cinema.