​Remember that the present perfect is used to talk about unspecific time in the past.

​UNSPECIFIC TIME
♪ ALREADY
♪ YET
♪ NEVER
♪ EVER

ALREADY

MEANING: "YA" (SPANISH)
USE: ONLY IN POSITIVE SENTENCES
POSITION: BETWEEN HAVE/HAS AND THE VERB IN PAST PARTICIPLE
EXAMPLES
1. I HAVE ALREADY EATEN SUSHI IN "KIBA HOUSE", I DIDN'T LIKE IT.
2. SHE HAS ALREADY VISITED THE GALPAGOS ISLAND.
3. WE HAVE ALREADY SEEN PRESENT PERFECT IN BASIC 1.

(ya he comido, ya ha visitado, ya hemos visto)

YET

MEANING: YA→ questions AÚN→ negatives
USE: IN QUESTIONS AND NEGATIVE STATEMENTS.
POSITION: ALWAYS AT THE END!

​EXAMPLES QUESTIONS
1. HAVE YOU SEEN THE NEW GUILLERMO DEL TORO MOVIE YET?
2. HAVE YOU GOTTEN A NEW CELLPHONE YET?
(YA HAS VISTO LA ÚLTIMA PELÍCULA DE GUILLERMO DEL TORO?
YA HAS CONSEGUIDO UN NUEVO TELÉFONO?)

​EXAMPLES NEGATIVES
1. NO, I HAVEN'T SEEN THE GUILLERMO DEL TORO MOVIE YET.
2. NO. I HAVEN'T GOTTEN A NEW CELLPHONE YET.
(NO, AÙN NO HE VISTO LA ÚLTIMA PELÍCULA DE GUILLERMO DEL TORO?
NO, AÙN NO CONSEGUIDO UN NUEVO TELÉFONO?)

NEVER

MEANING: NUNCA
USE: ONLY IN POSITIVE SENTENCES
POSITION: BETWEEN HAVE/HAS AND THE VERB IN PAST PARTICIPLE
EXAMPLES
1. I HAVE NEVER EATEN SUSHI IN "KIBA HOUSE".
2. SHE HAS NEVER VISITED THE GALPAGOS ISLAND.
3. WE HAVE NEVER SEEN PRESENT PERFECT IN BASIC 1.

(nunca he comido, nunca ha visitado, nunca hemos visto)

EVER

MEANING: ¿ALGUNA VEZ?
USE: ONLY IN QUESTIONS
POSITION: BETWEEN THE SUBJECT AND VERB IN PAST PARTICIPLE.
EXAMPLES
1. HAVE YOU EVER BOUGHT A WHITE PEN?
2. HAS SHE EVER TALKED TO THE TEACHER ABOUT HER PROBLEM?

(Alguna vez has comprado, alguna vez ha hablado...)