for or since |
UPDATED: MAR 2022
for= duration or period of time
= 5 days, 2 weeks, many months, several years, most of my life, a long time.) = usually used with a number (for 10 days, for 2 years) NOTE: You can use with All tenses. NOTE: Usually answers the question “How long”. |
since= a specific time in the past (last week, last month, last year, March, 1999)
NOTE: You can’t use with simple present tense. “I work with her for a long time.” <= incorrect NOTE: You must use Present Prefect or Prefect Continuous EXAMPLES:
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