ENGLISH PRESENT PERFECT :
- 009: Present Perfect: I have done
- 010: Present Perfect: I have done, about our life experience (2)
- 010: Present Perfect until now …
- 010: Present Perfect with SINCE and FOR
- 011: Present Perfect Continuous: I have been doing
- 012: Present Perfect Simple or Present Perfect Continuous?
- 012: Present Perfect Simple or Present Perfect Continuous? (2)