PRESENT PERFECT CONTINOUS
PRESENT PERFECT CONTINUOUS
| PRESENT PERFECT CONTINUOUS is used to describe an | ||||||||||||||||||
| action which happened in the past and it has been continued | ||||||||||||||||||
| up to uncertain time in the future. | ||||||||||||||||||
| Present Perfect Continuous usually focuses on the duration of | ||||||||||||||||||
| an action / activity or since when the action / activity begun. | ||||||||||||||||||
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| Connectors : for, since | ||||||||||||||||||
| For example : | ||||||||||||||||||
| S + have / has + been + V1 ing | ||||||||||||||||||
| 1. She has been waiting for 30 minutes. | ||||||||||||||||||
| 2. He has been studying English for 3 years. | ||||||||||||||||||
| 3. I have been teaching English for 7 years. | ||||||||||||||||||
| 4. They have been studying here since last year. | ||||||||||||||||||
| For example : | ||||||||||||||||||
| S + have / has + not + been + V1 ing | ||||||||||||||||||
| 1. She has not been waiting for 30 minutes. | ||||||||||||||||||
| 2. He has not been studying English for 3 years. | ||||||||||||||||||
| 3. I have not been teaching English for 7 years. | ||||||||||||||||||
| 4. They have not been studying here since last year. | ||||||||||||||||||
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| For example : | ||||||||||||||||||
| Have / has + S + been + V1 ing? | ||||||||||||||||||
| 1. Has he been waiting for 30 minutes? | ||||||||||||||||||
| 2. Has she been studying English for 3 years? | ||||||||||||||||||
| 3. Have you been teaching English for 7 years? | ||||||||||||||||||
| 4. Have they been studying here since last year? | ||||||||||||||||||
