être (to be), avoir (to have) in the perfect tense follow the same rules as others:

être

English	French
I have been	j'ai été
you have been	tu as été
he/she has been	il/elle a été
we have been	nous avons été
you have been	vous avez été
they have been	ils ont été

Example

• J'ai été surprise de te revoir.
  I've been surprised to see you again.

avoir

English	French
I have had	J'ai eu
you have had	tu as eu
he/she has had	il/elle a eu
we have had	nous avons eu
you have had	vous avez eu
they have had	ils/elles ont eu

Example

• Ils ont eu des problèmes.
  They've had some troubles.