This is the 24th most frequent German word.
haben
"To have."
In this sentence, 'haben' is used as an auxiliary verb to indicate possession.
Ich habe ein neues Buch.
I have a new book.
Here, 'haben' is used as an auxiliary verb to form the present perfect tense.
Wir haben gestern einen Film gesehen.
We watched a movie yesterday.
In this question, 'haben' is used to inquire about the availability of time, showing possession or availability of a resource.