I've (I have) seen him. | I haven't (have not) seen him. | Have
you seen him?
Examples of present perfect continuous:
I've (I have) been waiting two hours I haven't (have
not) been waiting long Have you been waiting long?
Put the words in brackets into either the present
perfect simple or present perfect continuous
to complete each of the following: Example: How
long (you/know)
John?
