Answer:
hayan recibido haya dado - hayamos entendido - hayan visto
Explanation:
Regular verbs form the present perfect by conjugating the auxiliary verb "hacer" in the subjunctive followed by the past participle of the verb.
The regular forms of the present perfect subjunctive are:
1st conjugation (ar), participle: "ado"
Example: hablar-> hablado
2nd conjugation (er), participle: "ido"
example: beber-> bebido
3rd conjugation (go), participle: "ido"
example: vivir-> vivido
You don’t remember your childhood?
Answer: puedo
Explanation: Antonio is saying that he'd like to go but can't, puedo means can't in this situation, only answer that makes sense.