Fill in the blanks with the correct forms of the ‘Verbs’ given in the brackets in the following sentences. Use Past Perfect Continuous Tense :
1. He…………… in this college since July 1990. (teach)
2. The mother …………………………… food since 7 a.m. (cook)
3. The peon ………………. ………… the bell for 5 minutes.(ring)
4. The boys…………… not………. cricket for two hours. (play)
5. The boys ………………. not in the river since morning. (bathe)
6.This film had…………………………… for 100 days. (run)
7.The farmers…….. the field since yesterday. (plough)
8. The washerman ….. …………….. Washing clothes since morning. (wash)
9. When you called me, I …………………. ……………… a book. (read) .
10. I …………….. for the test since yesterday. (prepare)