| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've done a | 161 |
|
| 2 | has done a | 105 |
|
| 3 | had done a | 94 |
|
| 4 | have done a | 78 |
|
| 5 | have done a | 55 |
|
| 6 | 's done a | 46 |
|
| 7 | 'd done a | 28 |
|
| 8 | having done a | 12 |
|
| 9 | to have done a | 8 |
|
