The present tense locates an event or a situation in present time. Present perfect continuous tense is used to express an action that started in past and is still going on.
Example: They have been living in this city for five years.
Rules
- ‘Has been’ is used with singular subjects
- ‘Have been’ is used with I, you and plural subjects
- ‘Since’ is used definite time e.g. since morning, since yesterday, since 5 o’clock
- ‘For’ is used with indefinite time e.g. for 2 years, 3 weeks, 4 hours
Positive form: Subject + has / have been + First form of Verb with ing + object + since/for + time
Examples:
1. I have been waiting for you since morning.
2. He has been working here for 2 years.
3. He has been studying for 3 hours.
Negative form: Subject + has/ have + not + been+ First form of Verb with ing + since/for + time
Examples:
- I have not been sleeping for 2 days.
- She has not been eating since morning.
- He has not been coming to work for 2 weeks.
Interrogative form: Has/ Have + Subject +been+ First form of Verb with ing + object + since/for + time?
Examples:
- Have you been working since morning?
- Has he been sleeping since evening?
- Have you been watching television for over 3 hours?
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