1) Mary says that their teacher will go to Leipzig tomorrow.
2) Helen says that she was writing a letter yesterday.
3) Jean says that the boss must sign the letter.
4) Robert says that his father flew to Dallas last year.
5) Patricia says that her mother will celebrate her birthday next week.
6) Michael says that he is going to read a book this week.
7) Andrew says that they didn't eat fish two days ago.
8) Alice says that she spent all her pocket money on Monday.
9) Jason and Victoria say that they will do their best in the exams tomorrow.
10) Susan says that she is watching TV.
11) Charles says that he didn't have time to do his homework.
12) David says that John has already gone at six.
13) Nancy asks why Nick didn't go to New York last summer.
14) He said that he could help me if I wanted.
15) Stephen says to Claire that they have cleaned the windows.
16) Debby says that she needs the car tonight.