1) Since we got home, I have been searching for my keys. Where could they be? 2) She has been making puddings

Present Perfect Continuous:
Разъяснение: Present Perfect Continuous is used to talk about an action that started in the past and is still ongoing at the present moment. It expresses an action that began in the past, has a connection to now, and may continue into the future. This tense is formed by combining "have/has been" + the present participle (-ing form) of the verb. It is often used to describe actions that have been happening for a while or actions that have recently stopped but their effects are still present.

1) Since we got home, I have been searching for my keys.
Explanation: This sentence describes an action (searching for keys) that started in the past (since we got home) and is still going on (at the present moment).

2) She has been making puddings all day.
Explanation: This sentence describes an action (making puddings) that started in the past (all day) and is still ongoing (at the present moment).

3) What have you been doing? You"re so dirty!
Explanation: This sentence is asking about the activity the person has been engaged in, implying that the activity caused them to become dirty.

4) John hasn"t been doing his math homework for a while.
Explanation: This sentence states that John is not doing his math homework, and this lack of action has been going on for some time.

5) We have been repairing cars since 2 pm and we still haven"t finished.
Explanation: This sentence describes an action (repairing cars) that started in the past (since 2 pm) and is still ongoing (at the present moment).

6) How long has he been teaching?
Explanation: This sentence asks about the duration of time someone has been teaching.

7) I haven"t been writing letters since my brothers came home.
Explanation: This sentence states that the person has not been writing letters since the arrival of their brothers. The action of not writing letters started in the past and is still ongoing.

8) - Why are you crying? - I have been watching a sad film.
Explanation: The first sentence asks about the reason for someone crying. The response indicates that the person has been watching a sad film, which has caused them to become emotional.

9) She has been picking strawberries since 10 am.
Explanation: This sentence describes an action (picking strawberries) that started in the past (since 10 am) and is still ongoing (at the present moment).

10) How long have you been writing that book for?
Explanation: This sentence asks about the duration of time someone has been writing a book.

Совет: To understand the Present Perfect Continuous tense better, it is essential to grasp the concept of an ongoing action that started in the past and has a connection to the present. Pay attention to the time expressions used, such as "since," "for," and "all day," as they provide important clues about the duration of the action. Practice using the tense by forming sentences that describe ongoing actions in the present.

Задание для закрепления: Write a sentence using the Present Perfect Continuous tense to describe an ongoing action that started in the past and is still happening at the moment.