Fill in the blanks with the correct forms of the ‘Verbs’ given in the brackets in the following sentences :1. They are……………………… a letter. (write)2. He is……………….. a book. (read)3. They are ……4. You are not ……………………. to your friend. (talk)5. Is she not …………………….. in the sun? (sit)6. Your brother is ………………………….. in a factory. (work)7.  These children are not …………….. ……………… their home-work,they are…………….. the T.V. (do, watch)8. The farmer is not only ………………….. the field but also but also ……………………. seeds. (plough, sow)9. I am …………………… at a problem in Physics. (work)10. A meeting is………………. on in the hall. (go)11. The peon is …………………………………………………………………. the bell. (ring)12. The sun is………………. in the east. (rise)13. Why are you not ……………… ……………….. English to your students? (teach)14.  A cat is ………………………. after the rats. (run)15.  Are the boys …………………….. a noise in the class? (make)16. The girls are not ………………………… with the dolls. (play)17. My mother is ………………… food for us. (cook)18. The washerman is not………….. the clothes properly. (wash)19. The carpenter is ………………………. a beautiful table. (make)20. Your grandmother is …………………….. stories. (tell)