Hello dear visitors
Here we will talk about two prepositions usually used in the english language to talk about time: For/Since.
|For is used to talk about a period of time, it precise the length of
the period.Examples: for two hours, for twenty years, for five minutes.
|Since is used to precise the beginning of the period, it’s followed
by a point of time.Examples: Since 1988, since last year,
since I was a little boy.
The two prepositions are usually used with the perfect tenses.
- I have known my boyfriend for three years.
- I have known him since my graduation year.
- You have been a brilliant student since your childhood.
- We have been studting for four years.