1. if you (to read) a book you will know the answer. 2. what time you (to arrive) at the hotel? 3. they just (to return) home. 4. the ship already (to receive) six ice warnings on its radio when it (to strike) the iceberg. 5. i (to finish) everything by that time you get back tomorrow. 6. i answered i (to meet) her at foyot`s on thursday at half past twelve.

1. If you read a book you will know the answer.

2. What time will you arrive at the hotel?

3. They have just returned home.

4. The ship had already received six ice warnings on its radio when it struke the iceberg.

5. I'll have finished everything by that time you get back tomorrow.

6. I answered I  met her at Foyot`s on Thursday at half past twelve

1.read
2.will arrive.
3/have just returned