GRAMMAR
7.1 Present Perfect - Duration
Do #1: 4-15; #2: 4-10; #3: 4-15.
For extra practice, do "10 Past Simple or Present Perfect (2); for, ago, since".
Note: There are two blank pages. You must scroll down to find the notes and exercise.
7.2 Present Perfect Simple - Experience
Read the notes and watch the video(s).
The Canadian College of English Language