QUESTION IN PRESENT PERFECT

1) Questions without question words in the Present Perfect

Auxiliary	Subject	Verb	Rest	Yes/No	Subject	Auxiliary (+ n't)
Have	you	done	the shopping?	Yes,	I	have.
				No,	I	have not.
				No,	I	haven't.
Has	Jane	played	basketball?	Yes,	she	has.
				No,	she	has not.
				No,	she	hasn't.
Have	they	been	in Canada?	Yes,	they	have.
				No,	they	have not.
				No,	they	haven't.

2) Questions with question words in the Present Perfect

Question word	Auxiliary	Subject	Verb	Rest	Answer
How often	have	you	tried	to download the file?	I have tried to download the file three times.
How long	have	they	lived	in Ottawa?	They have lived in Ottawa since 2009.
Where	has	he	been?		He has been at home.

Note:
Use has with the 3rd person singular (he, she, it) and in all other persons have.
Use the verb in the past participle:
(regular verbs: infinitive + -ed
irregular verbs: 3rd column of the table of the irregular verbs)