Вопрос:

Complete the sentences using the present simple. 1) The sun ................. in the west. 2) She ................. her phone. Maybe she's out. (not answer) 3) His secretary usually ................. letters. (type) 4) Phoebe ................. wonderful pictures. She's very talented. (draw)

Ответ:

  1. The sun sets in the west.
  2. She doesn't answer her phone. Maybe she's out.
  3. His secretary usually types letters.
  4. Phoebe draws wonderful pictures. She's very talented.

В отрицательном предложении в третьем лице единственного числа используется doesn't, поэтому смысловой глагол имеет начальную форму. В утвердительных предложениях к глаголу добавляется окончание -s.