For-Since | Commonly Confused Words

Since

/sɪns/

From a particular time in the past until now or a specified point

"How long since he died?"She's been going on sheer nerve and pills ever since.Since time began, you know.'

This word has no antonyms

/fɔː(r)/

Used to indicate a purpose, cause, destination, or reason for something.

There's a letter for you.Take care of yourself, for he means to kill you."For it was summer – late June.

This word has no antonyms

For is often used to indicate duration, while since indicates a starting point in time.
Remember that for comes before a period of time, such as two hours or three days.
Since is paired with a specific past time, such as Monday or last year.
For can be used with present perfect and other tenses, unlike since which is strictly for perfect tenses.
Think of since as pointing to the origin, as in ever since something.