1. Although he had a good salary , he was unhappy in his job 

-> ln spite of his good salary, he was unhappy in his job.

2. He asked: " Where did you go with your friend yesterday"?

-> He asked me where l had gone with my friend.

3. They have finished the house since last week

-> The house has been finished since last week.

4. Sunlight wakes me up early in the morning . It comes through the window.

-> Sunlight which comes through the window wakes me up every morning.

5. If he has free time, he'll play tennis 

-> Should he have free time, he'll play tennis.

1. In spite of having a good salary, he was unhappy in his job

2. He asked me where I  had gone with my friends the previous day.

3. The house has been finished since last week

4. The sunlight which comes through the window wakes me up every morning

5.  Should he have free time, he’ll play tennis