From indicates the starting points of actions, events or spaces. It says when things begin or began.
- The exhibition was held from Monday to Friday.
- I work from 10 to 6.
From is not normally used with a perfect tense.
- The shop was open from morning.
- I will be here from 3 oclock onwards.
With a perfect tense we normally use since, not from.
- I have been working since morning. (NOT I have been working from morning.)
Fairly, quite, rather and pretty
Farther and further
Few and little
Finally, at last, in the end and at the end
Finished: difference between I'm finished and I've finished
Fit and suit: difference
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