Exercise: Supply the correct forms for the verbs in brackets.
 

1.        The Sun (give) _______________ us heat and light.

2.        (work/Peter) _________________ on the computer now?

3.        The secretary (work) _____________ on the report for more than three hours. She hopes she may finish it by the lunch time.

4.        Please turn off the stove. The water (boil)________________ for more than fifteen minutes.

5.        Look! There are a lot of clouds! It (rain)__________________ soon.

6.        He (meet) _________________ his boss at this time tomorrow.

7.        - How much is this book?       - $10.                  - OK. I (take) ____________ it.