Cover of English Grammar in Use (5th edition)

Answer — Exercise 57.1

Unit 57 - Verb + -ing or to ... 2·English Grammar in Use (5th edition)

Question

Put the verb into the correct form.

Answer

  1. to keep
  2. to reach
  3. knocking
  4. to put
  5. to concentrate
  6. asking
  7. calling
  8. to remember
  9. restarting

More exercises in Unit 57 - Verb + -ing or to ... 2