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IV. Rewrite the sentences using the given forms so that they retain their original meaning.

1. Is your uncle the owner of this Rolls Royce?
belong ?

2. After I had introduced my guests to each other I made a long speech on the current changes in the computer technologies.
Having , .

3. Why didn't they tell us they were going to sell their house?
I wish .

4. George won't lend his tape recorder to you if you don't promise to bring it back by Saturday.
unless .

5. Jerry had terrible problems with solving the riddle, (hardly)
.

6. Our representatives have been criticizing the new concept, (critical)
critical .

7. It doesn't make any difference if they paint the board white or yellow, (matter)
It .

8. Finally, the new prime minister has been appointed.
last.

9.I haven't visited Oslo since 1998.
The last time .

10. Mrs Arnold will take care of our cat while we are away, (look)
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