Perfet Tense
| |The present perfect simple is formed by have/has + past participle. |
| |Positive and negative|
| |I|
| |YOU |
| |We|
| |They|
| |have |
| |haven't|
| |lived in Paris|
| | |
| |He/She|
| |has || |hasn't |
| ||
| | |...
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