CIP Online : Phân biệt khi sử dụng For và Since

We are going to learn about For and Since to help our students understand their differences.

For

For is used with the period of time.
Example:
For 3 months
For ten years

Let’s have two example sentences and see which one is correct.

I have been studying English since six months.

I have been studying English for six months.

The correct sentence is, I have been studying for six months.

Let’s go now to Since

Since

Since is used with a starting point.
Example:
Since Monday
Since June 2015

Let’s have two example sentences and see which one is correct.

I have been studying in New York for April.

I have been studying in New York since April.

The correct sentence is, I have been studying in New York since April.

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Nguồn: bgtnation.net

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