Expressing duration and time relationships
Q1. I have lived here ___ 2010
SINCE marks a starting point in time. The living began then and continues now.
Q2. She has worked here ___ five years
FOR indicates duration. Five years is the length of the employment.
Q3. He fell asleep ___ the film
DURING indicates something happening within a period. The sleep occurred inside the film timeframe.
Q4. We waited ___ midnight
UNTIL marks the endpoint of an action. The waiting stopped at midnight.
Q5. Submit the report ___ Friday
BY indicates a deadline. The report must arrive on or before Friday. No excuses.