1. He has been working as a singer for ten years. 2. Have they been staying with their friends for a month? 3. How long

Present Perfect Continuous Tense:
Инструкция: Present Perfect Continuous Tense is used to talk about actions that started in the past and are still happening or have just finished. It is formed by using the present participle form of the verb "be" (have/has been) and the present participle form of the main verb (verb + -ing).

1. He has been working as a singer for ten years.
This sentence indicates that he started working as a singer ten years ago and is still working as a singer now. The continuous aspect emphasizes the duration of the action.

2. Have they been staying with their friends for a month?
This question talks about an action that started in the past and has continued until now. It implies that they have been staying with their friends for a month, and they are still staying with them at the time of speaking.

3. How long ago did you visit your grandparents?
This question is asking about the time when the person visited their grandparents in the past. It does not specify the duration of the visit but focuses on the point in time when the visit occurred.

4. When did she become a doctor, ten years ago?
This question is asking about the point in time when she achieved the profession of being a doctor. It specifies that she became a doctor ten years ago.

Совет: To understand the Present Perfect Continuous Tense better, it is important to practice identifying the duration of an action that started in the past and continues until the present. Pay attention to the use of the word "been" and the verb form ending in "-ing".

Практика: Rewrite the following sentences using the Present Perfect Continuous Tense:
1. They have been studying English for three years.
2. How long have you been waiting for the bus?
3. She has been living in London since 2010.
4. Have they been playing tennis since morning?