Difficulty level:
00:20:00

All exercises:

13
1. Grammar. Present Perfect Continuous. Verb form 1.5
2. Present Perfect Continuous. 'Have' or 'has' 3
3. Present perfect continuous affirmative/positive sentences (True or false) 1.5
4. Choose the correct present perfect continuous negative sentences 4
5. Grammar. Form the present perfect continuous interrogative/question sentences 3