With For and Since
• For is used to show length of time (how long the period of time was).
•For two weeks.
•For 10 years.
•For 5 months.
•E.g: “She has lived in
•       L.A for 36 years.”
• Since is used to show when a period of time began.
•
•Since 1989.
•Since I turned 39.
•Since May.
•E.g: “She has lived in
•        L.A since 1926.”