Написать в питальний и заперечний форме каждое предложение 1)I heard somebody outdoors. 2)She fought a new dress yesterday. 3)They wrote letters to their friends.

1)I heard somebody outdoors. I did not hear anybody outdoors. Did you hear anybody outdoors?  2)She bought a new dress yesterday. She did not buy a new dress yesterday. Did she buy a new dress yesterday? 3)They wrote letters to their friends. They did not write letters to their friends. Did they write letter to their friends?