present perfect "since and for"

The use of "since and for" in present perfect sentences

Answer to questions such as:
How long has been SANRIO company so popular?

For six years, for a week, for a month, for hours, for two hours.
Example:
I have worked here for five years.

​​Since
"A period of time"

"A point in time"

Since this morning, since last week, since yesterday, since I was a child, since Wednesday, since 2 o'clock
Example:
We have taught at this school since 1965.

​​For

Watch the next videos an take notes in order to have a better understanding of the topic. Don't forget to highlight main key points, they are very useful.

Multiple Choice

Madonna has lived in London _____ the late 1990s.

• since

• for

Multiple Select

How long has she been married? ______ last February

• since

• for

Multiple Select

How long has she been mother?

(her first daughter was born on October 14th, 1996)

• She has been mother for more than twenty years.

• She has been mother since 1996.

• She has been mother since years ago.