Though a preposition, it is used after the phrase it links to the sentence.
Few years ago use in sentence. Web a few years ago means a few years before now. A few years ago he went into politics. Web proper usage in context.
We use since as a preposition, a conjunction and. Web use years ago in a sentence. Web example sentences with few years ago.
Web the adverb ago refers to a period of time that is completed and goes from a point in the past up to now. Ago follows expressions of time: He lived here ten years ago.
A few years ago i was backpacking across western. That is, the time at which you are speaking. Lot of example sentences with the word a few days ago.
A few years ago he went into politics. A few years before means a few years before any point in time that. Lot of example sentences with the word in a few years.
The most important news is that my parents a new restaurant a few weeks ago. is the correct tense to use the present perfect (have opened) or past. See how to use in a few years in a sentence. Web did you use to have a garden?