8A/8B PRESENT PERFECT TENSE

WATCH AND THINK
https://www.youtube.com/watch?v=XUIJ9pBDlHs

SOME RULES
https://www.youtube.com/watch?v=ODt_xD5OhK8

AND MORE
https://www.youtube.com/watch?v=o1_0Gz4uRKo

A SONG
https://www.youtube.com/watch?v=ghRK6cu8e8U

BONUS
https://www.youtube.com/watch?v=5LSUcBzF3TA