My future job and responsibilities

7. Explain usage and formation of Present Perfect Continuous tense (affirmative, negative and interrogative) and make up sentences
The Present Perfect Continuous tense is used to describe an action that began in the past and is still ongoing at the present moment. It is often used to emphasize the duration or length of time that the action has been taking place.
Formation: To form the Present Perfect Continuous tense, use the present tense of "to have" followed by "been" and the present participle (-ing) form of the main verb.
Affirmative: Subject + have/has been + present participle of verb
Examples:
I have been studying for three hours.
She has been working at the company for ten years.
They have been playing tennis since this morning.
Negative: Subject + have/has not been + present participle of verb
Examples:
I have not been watching TV all day.
He has not been feeling well recently.
We have not been practicing our Spanish very much.
Interrogative: Have/Has + subject + been + present participle of verb + ?
Examples:
Have you been exercising regularly?
Has he been studying for the exam?
Have they been traveling a lot this year?
Overall, the Present Perfect Continuous tense is useful for describing ongoing actions or situations that have started in the past and continue up to the present. It is a useful tool for expressing duration and continuity, and can be used in a variety of contexts and situations.
8, Explain usage and formation of Past Perfect tense (affirmative, negative and interrogative) and make up sentences.
The Past Perfect tense is used to describe an action that was completed before another action in the past. It emphasizes that the first action happened before the second action.
Formation: To form the Past Perfect tense, use the past tense of "to have" (had) followed by the past participle of the main verb.
Affirmative: Subject + had + past participle of verb
Examples:
She had finished her homework before she went to bed.
They had eaten breakfast before they left the house.
He had already seen the movie before it was released in theaters.
Negative: Subject + had not + past participle of verb
Examples:
I had not studied enough before the exam.
She had not traveled to Europe before last summer.
They had not finished their work before the deadline.
Interrogative: Had + subject + past participle of verb + ?
Examples:
Had you eaten dinner before you came to the party?
Had he finished his project before the meeting?
Had they seen the new exhibit at the museum?
Overall, the Past Perfect tense is useful for describing an action that happened before another action in the past. It helps to establish a clear sequence of events and can be used in a variety of contexts and situations.