FOR, SINCE AND AGO

Pregunta	Respuesta
FOR	For The preposition "for" is used to express the duration of an action, the period of an action or an event.
.example “I’ve lived here for 8 months”. “She was waiting for him for five years”. “We haven’t seen each other for a long time”	TIME present: i go on holidays for two weeks every summer past: when i was sixteen, i stayed in london for two months future: While i am in the USA, i will be in new york for two days
SINCE	The preposition "since" is used to indicate a moment from which the action continues. It is usually used in the perfect tenses.
SINCE As this period of time, which began at a specific time in the past, continues into the present, we can only use "since" with the perfect tense	example: present perfect I have been here since 5 o'clock and I am getting tired. I had been working since 5 o'clock and I was getting tired.
AGO	“Ago” refers to a time in the past or a time before the current one and goes to the end of the sentence
AGO “It translates as “hace” in Spanish and is used with the simple past tense.	Example Richard finished university three years ago. I called you ten minutes ago. She quit smoking a long time ago.

Resumen del Recurso

	Creado por Patricia Corona hace más de 2 años