present perfect, past perfect, future perfect

present perfect, past perfect, future perfect

1. present perfect

   • Para formar el presente perfecto, se usa el verbo auxiliar “to have” en el presente y el participio pasado del verbo. Para verbos regulares, el participio pasado es la forma simple del pasado. Ver la lección sobre el pasado simple para más información sobre como formar el pasado.
     • I, you, we, they have I’ve, you’ve, we’ve, they’ve talked, learned, traveled…

2. past perfect

   • Estructura afirmativa
     • Sujeto + auxiliar had + verbo en pasado + complemento
       • I had met them before the meeting
         • Estructura negativa
           • Sujeto + auxiliary had + not + verbo en pasado + complemento
             • I had not said how long will the video call is
               • Estructura interrogativa
                 • Auxiliar had + sujeto + verbo en pasado + complemento ?

3. future perfect

   • Estructura afirmativa
     • Fórmula: Sujeto + Auxiliar (will / ‘ll) + have + verbo past participle + complemento
       • I will / ‘ll have made my birthday cake by next Sunday
         • Estructura negativa
           • Sujeto + Auxiliar (will not / won’t) + have + verbo en participio + complemento
             • I will not / won’t have studied for the exam by next month
               • Estructura interrogativa
                 • Auxiliar (will) + Sujeto + have + verbo en participio + complemento + ?
                   • Will I have completed the report by 8 PM?