I. Rewrite the sentences
1. David had gone home before we arrived.
-> After ...................................................................................
2. We had lunch then we took a look around the shops.
-> Before ............................................................................................
3. The light had gone out before we got out of the office.
-> When ...................................................................................................
4. After she had explained everything dearly, we started our work.
-> By the time ................................................................................................
5. My father had watered all the plants in the garden by the time my mother came home.
-> Before .............................................................................................
After David had gone home, we arrived.
Before we had lunch , we took a look around the shops.
When we got out of the office, The light had gone out,
By the time we started our work, she had explained everything dearly
Before my mother came home, My father had watered all the plants in the garden