Cover of English Grammar in Use

Answer — Exercise 9.4

Unit 9 - Present perfect continuous·English Grammar in Use

Pergunta

Put the verb into the present continuous (am/is/are + -ing) or present perfect continuous (have/has been + -ing).

Resposta

  1. Maria has been learning
  2. I've been looking
  3. are you looking
  4. She has been teaching
  5. I've been thinking
  6. he's working
  7. She's been working
  8. you're driving
  9. has been travelling

Mais exercícios em Unit 9 - Present perfect continuous