Time contrasts past present future
Clasificado en Inglés
Escrito el en 
español con un tamaño de 795 bytes
PRESENT PERFECT: "before now", doesn't express when an action happened.
If we say the exact time, we have to use the Past Simple. FORM: Subject+have/haven't/has/hasn't+Participle Verb+Complement. USE:An action thah began in the past and still continues. 2.-A past action that has a present result.
If we say the exact time, we have to use the Past Simple. FORM: Subject+have/haven't/has/hasn't+Participle Verb+Complement. USE:An action thah began in the past and still continues. 2.-A past action that has a present result.