---
id: 6728c22492994ca4deab5f93
title: Task 72
challengeType: 19
dashedName: task-72
lang: en-US
---

# --instructions--

This task doesn't have audio. Read the question below and select the correct answer.

# --questions--

## --text--

Which sentence correctly uses `for` and `since`?

## --answers--

`I have been working here since three years.`

### --feedback--

`Since` should be used with a specific point in time, not a duration like `three years`.

---

`I have been studying for the exam since last week.`

---

`I will focus on this project for tomorrow.`

### --feedback--

`For` should indicate a duration, not a specific future time like `tomorrow`.

---

`She has lived in this city for 2010.`

### --feedback--

`Since` should be used to indicate a specific year (e.g., `since 2010`), while `for` indicates a duration of time.

## --video-solution--

2

# --explanation--

`For` is used with periods of time (e.g., days, weeks), while `since` is used with specific dates or points in time.
