1. How long have I been running this website since 1999? 2. How long has Emily been working on the computer?

Present Perfect Continuous Tense in English

Разъяснение:
1. "How long have I been running this website since 1999?"
- You have been running this website since 1999. The present perfect continuous tense is used to talk about actions that started in the past and are still ongoing. In this case, you started running the website in 1999 and you are still running it now.

2. "How long has Emily been working on the computer?"
- Emily has been working on the computer for a certain period of time. The present perfect continuous tense is used to talk about actions that started in the past and are still happening. In this case, Emily started working on the computer at some point in the past and is still working on it now.

3. "How long has Mal been listening to music since 11:00?"
- Mal has been listening to music since 11:00, and the present perfect continuous tense is used to talk about actions that started in the past and are still continuing. In this case, Mal started listening to music at 11:00 and is still listening to it now.

Например:
1. "I have been running this website since 1999."
2. "Emily has been working on the computer for two hours."
3. "Mal has been listening to music since 11:00."

Совет:
To better understand the present perfect continuous tense, it is helpful to remember that it emphasizes the duration of an action. Pay attention to the time expressions used, such as "since" or "for," to determine the starting point and duration of the action. Practice using this tense by forming sentences about ongoing activities or actions that started in the past and are still happening.

Закрепляющее упражнение:
How long have you been studying English?