Perfect present tense.

I have not done.

I have done.

AFIRMATIVE.

I have studied in the uptc since 2010.

I have studied in the uptc since 2010.

I have seen an eclipse once.

I have seen an eclipse once.

I have risen to a plane in three times.

I have risen to a plane in three times.

NEGATIVE.

I have not risen to a roller coaster never.

I have not eaten meat of rabbit since I was a girl.

I have not played football never, but I  likes to look the games of the selection Colombia.

I have not played football never, but I likes to look the games of the selection Colombia.

I have not travels to another country but I want to do it next year.

I have not travels to another country but I want to do it next year.

INTERROGATIVE.

Have you worked for your uncle?

Have you worked for your uncle?

ANSWER:

Yes. I have worked with my uncle

Have you ever eaten Chinese food?

Have you ever eaten Chinese food?

ANSWER.

Yes, I have

Where have you been this morning?

Where have you been this morning?

ANSWER:

I have been at the bank trying to get a loan.

Why has Richard travelled to Europe?

Why has Richard travelled to Europe?

ANSWER:

Richard has travelled to Europe because he has a meeting there.