1. PRESENT PERFECT SIMPLE El presente perfecto se usa para narrar hechos que ya han concluido pero en un tiempo breve como hace dos horas o en menos de un día. El verbo en presentperfect, se construye con el auxiliar have o has, si es en tercera persona, he, she, it, MAS EL PARTICIPIO DEL VERBO.

2. Afirmativo:Sujeto+ have/has + past participle.Ejemplos: I have eaten an apple.He has bought me a car.Negativo:sujeto+ haven't/ hasn´t+ past participleTheyhaven´tstudiedfortheexam PreguntaHave/has+ sujeto+ pastparticiple?How much times have you seen that film?

3. FOR Y SINCE: sirven para delimitar el tiempo de la acción del verbo. I havelivedhereforfouryears.I havelivedheresince 2004.EVER: se usa para expresar lo más interesante, lo más divertido que he leído, visto U oído. (O PREGUNTAS SOBRE ALGUNA EXPERIENCIA).Haveyoueverbeen in Mexico? Have you ever drank Tequila?

4. PERFECT PROGRESSIVE We use the present perfect CONTINUOUS to talk about unfinished actions that started in the past and are continuing now.subject + have / has + been + 1 > "ing“I have been baking this cake. The present perfect continuous is also used to express actions that are not finished and were progressive in the past.

5. She has been painting a picture the whole day.The present perfect continuous can also be used to express something the speaker has been meaning to do for a while, an intention or thought. She has been trying to get hold of you for hours.

6. Affirmativesubject + have/has + been + 1 > "ing"I have been going to New York Negativesubject + haven't / hasn't + been + 1 > "ing"I haven't been going to New York InterrogativeHave / Has + subject + been + 1 > "ing" ?Have I been going to New York?