PRESENT PERFECT.

Present Perfect

Also known as present perfect simple or present perfect in Spanish, it is one of the verb tenses of the present in English. 

Its correct use is necessary to express experiences or memories that occurred a long time ago, but of which memory is still kept or are currently relevant.

• Form

To form the present perfect, we use the auxiliary verb "to have" in the present and the past participle of the verb.

Subject	Auxiliar verb	Short form	Past participle
I, you, we, they	have	I’ve, you’ve, we’ve, they’ve	talked, learned, traveled…
he, she, it	has	he’s, she’s, it’s	talked, learned, traveled…

• Structure

AFFIRMATIVE SENTENSES Subject + auxiliar verb (to have) + past participle…

NEGATIVE SENTENSES Subject + auxiliar verb (to have) + “not” + past participle…

iNTERROGATIVE SENTENSES Auxiliar verb (to have) + subject + past participle…?

Examples of the present perfect

 Affirmative

• She has lived in many cities
• I have worked for one hour

Negative

• She´s not sent the letter
• You´ve not exercised

Interrogative

• Have we seen that movie?
• Have you just finished work?