3 Complete the sentences with the correct form of the present perfect continuous using the words in brackets.
1 How long........ (John/look) for a job?
2 They......... (study) for the exam since January
3 She ......(not/ work) here for a long time,
4 ........(you/learn) English since primary school? 5 Ellie is frustrated. She ......(wait) for her exam results for ages!
6 I......(try) to write my CV all evening
