present perfect(affirmative and negative statements)

we´ve been to a concert at the lincoln center. we haven´t seen a broadway show.

1-in the first sentence ,is the action completed? do we know the date or time of the concert?

2-in the second sentence, is it possible they will see a show later?

-complete the chart:
subjet auxiliary past participle complement
affirmative statements i/you/we/they have been to a concert
he/she/it has eaten a lot

negative stetamenst i/you/we/they have seen a show
he/se/it has visited the museum

-underline the regular ones and circle the irrgular ones.then write statements

1-dinner/have/they/in chinatown/had

-they have dinner in chinatown had

2-hasn´t/today/his e-mail/ed/checked

-his e-mail hasn´t checked ed today