EXERCISES:

<em>Ex. 1. Complete these sentences with the proper form of the verb TO BE, present or past:</em>

1. John was in New York the day before yesterday but he is in Chicago today.

2. They are free today, but they were at work yesterday.

3. Today is Monday. Yesterday was Sunday.

4. Where were the Johnsons last weekend? Where are they today?

5. The elevator was out of order last night, but it is working well now.

6. John wasn´t in the office at ten this morning because he was at a meeting.

7. Bob was very sick yesterday, but he is much better today.

<em>Ex. 2. Change the following sentences into a) Negative b) interrogative</em>

1. The secretary was busy at midday.

2. They were good friends at school.

3. The weather was fine that day.

4. The men were tired after the long walk.

5. Mary was late for the train this morning.

6. Henry was at the movie at 7 P.M.

<em>Ex. 3. Ask questions using wh-words like What?, Where?, When?,Why?, How?, How old, Who?</em>

1. Tom was at home at midnight last night.

2. John was in the car at that moment.

3. Liz was in bed because she was sick.

4. The Smiths were in Chile in 1985.

5. George was a little better this morning.

6. Mr Clark was about 85 years old when he died.