Cover of English Grammar in Use

Answer — Exercise 9.4

Unit 9 - Present perfect continuous·English Grammar in Use

Pregunta

Put the verb into the present continuous (I am -ing) or present perfect continuous (I have been -ing).

Respuesta

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

Más ejercicios en Unit 9 - Present perfect continuous