Present Perfect +
I/play/football before.
I have played football before.
My dad/ not travel / to the US /before.
My dad hasn't traveled to the US before.
They/study/for the English exam.
They have studied for the English exam.
They /not study/for the science exam.
They have not studied for the science exam.
Lisa/live/in the USA
Lisa has lived in the USA
Susan and Mark /never/perform/the dance.
Susan and Mark have never performed the dance.
My /homework /do /sister /her / English
My sister has done her English homework.
Mike/cartoon/ not watch/new /the.
Mike has not watched the new cartoon.
Neil's so smart! He/ learn/ Spanish, Chinese, and French.
Neil's incredible! He has learned Spanish, Chinese and French.
I/not do/my life/stupid things/too many/in
I haven't done too many stupid things in my life.