Prepositions - "Till" and "Until"

Prepositions – “Till” and “Until”

Till and until are used as conjunctions to indicate points in time, conditions, or events in relation to which other actions or events occur. They convey the idea of when something happens, stops happening, or is contingent upon another condition.

Preposition - "Since"

Preposition – “Since”

Since can indicate a specific point in time when an action began or an event occurred. Example: I have been working at this company since 2010.