Exercise 1. Make the following sentences negative and interrogative.

1. He has been painting this fence for a long time.
2. My secretary has been typing the report for 5 hours.
3. The boys have been trying to fix that bike since morning.
4. The tourists have been waiting for the guide since 4 o’clock.
5. You have been talking for almost an hour without stopping.

kamilla021185    1   13.04.2020 12:07    30