Question

AL EXERCISES
Exercise 1.Open the brackets. Put the verbs into the Present Perfect Tense:
1. The platelayers already (to finish) their work. 2. The rails always (to be) normally upright? 3. You
(to weld) at the central depot today? 4. We (not to lie) long welded rails this week. 5. The water (not to
collect) in the ballast this morning. 6. They (to begin) to build a switch lately? 7. They (not to build) a switch
yet. 8. The length gang (to work) hard today. 9. I (to examine) the running line this afternoon. 10. Crushed
rock always (to be) the best kind of ballast.

Answer 1

1. The platelayers already have finished their work.

2. Have the rails always  been normally upright?

3. Have you  welded at the central depot today?

4. We haven`t lain long welded rails this week.

5. The water hasn`t collected in the ballast this morning.

6. Have they  begun to build a switch lately?

7. They haven`t built a switch yet.

8. The length gang has worked hard today.

9. I have examined the running line this afternoon.

10. Crushed rock always has been the best kind of ballast.