Question

answer these prepositions? ​

Answer 1

You use for when denoting a short period of time in the past, present, or future and since when recounting an action from the past that still has not yet been completed (past progressive tense).

1. I have been studying at my school since the first grade.

We use since because we are denoting a specific point in time (first grade).

2. My teacher has been teaching at this school for the past ten years.

We use for because we denote a period of time in the past (4 years).

3. I study for eight hours at school every day.

We use for because we denote a short period of time in the past, present, and future (8 hours).

4. Our family has lived in our present home since 2011.

We use since because we are denoting a specific point in time (2011).

5. Pakistan has been independent for 74 years.

We use for because we denoting a short period of time from the past (74 years).