1
I moved here two years ago.
Sign "TWO", then "YEAR", and finish with the sign for "AGO" by moving your flat hand backward over your shoulder to show the time has passed. In ASL, time markers like "ago" often appear at the beginning or end of the time phrase.
2
A long time ago, I had a dog.
To show "a long time ago," you can exaggerate the "AGO" sign. Move your hand further back over your shoulder and make the movement slower. Adding a facial expression, like slightly opening your mouth, helps emphasize just how much time has passed.
3
She left a few minutes ago.
Sign "MINUTE", "FEW", and then perform a quick, short version of "AGO". This smaller, faster movement over the shoulder perfectly indicates that the action happened in the very recent past, rather than a distant historical event.