Present Perfect Continuous form
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             Grammar 
            Present Perfect Continuous form Present Perfect Continuous signal words Present Perfect Continuous spelling Present Perfect Continuous uses  | 
          Exercises Present Perfect Continuous | 
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Present Perfect Continuous Tense is built with 
 have or has (only in the third person singular) + been + -ing  form. 
 
Form
| Affirmative sentences | Short forms | |
|---|---|---|
| I | I have been writing a letter for two hours. | I've been writing a letter for two hours.. | 
| you | You have been writing a letter for two hours.. | You've been writing a letter for two hours. | 
| he | He has been writing a letter for two hours. | He's been writing a letter for two hours.. | 
| she | She has been writing a letter for two hours.. | She's been writing a letter for two hours. | 
| it | It has been writing a letter for two hours. | It's been writing a letter for two hours. | 
| we | We have been writing a letter for two hours. | We've been writing a letter for two hours.. | 
| you | You have been writing a letter for two hours. | You've been writing a letter for two hours. | 
| they | They have been writing a letter for two hours. | They've been writing a letter for two hours. | 
| Negative sentences | Short forms | |
|---|---|---|
| I | I have not been writing a letter for two hours. | I haven't been writing a letter for two hours. | 
| you | You have not been writing a letter for two hours. | You haven't been writing a letter for two hours | 
| he | He has not been writing a letter for two hours. | He hasn't been writing a letter for two hours. | 
| she | She has not been writing a letter for two hours. | She hasn't been writing a letter for two hours. | 
| it | It has not been writing a letter for two hours. | It hasn't been writing a letter for two hours. | 
| we | We have not been writing a letter for two hours. | We haven't been writing a letter for two hours. | 
| you | You have not been writing a letter for two hours. | You haven't been writing a letter for two hours | 
| they | They have not been writing a letter for two hours. | They haven't been writing a letter for two hours. | 
| Questions | ||
|---|---|---|
| I | Have I been writing a letter for two hours? | |
| you | Have you been writing a letter for two hours? | |
| he | Has he been writing a letter for two hours? | |
| she | Has she been writing a letter for two hours? | |
| it | Has it been writing a letter for two hours? | |
| we | Have we been writing a letter for two hours? | |
| you | Have you been writing a letter for two hours? | |
| they | Have they been writing a letter for two hours? |