| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've done this | 85 |
|
| 2 | have done this | 57 |
|
| 3 | had done this | 49 |
|
| 4 | have done this | 44 |
|
| 5 | has done this | 33 |
|
| 6 | 'd done this | 15 |
|
| 7 | having done this | 12 |
|
| 8 | 's done this | 8 |
|
