I can't go out because I haven't finished my work.
I see the book.
I can see all these things.
I saw it yesterday.
I had seen it yet.
I can not see anything.
I did not see the dress.
I am not seeing the mistake.
I had not seen it yet.
Did you see him on the party?
Have you ever seen someone in this shoes?
Can you see it?
Do you see this everyday?
1 I have known my best friend for 5 years.
2 I have had my backpack(schoolbag )since I was 7 years.
3 I have wanted to do skydiving all my life.
4 I have been a pupil since the first form/grade.
5 I have always loved my parents.
P.s
PRESENT PERFECT PROGRESSIVE TENSE не употребляемся с глаголами want ,know,love,hate ,etc.