| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what we have done | 155 |
|
| 2 | what we 've done | 87 |
|
| 3 | what we have done | 48 |
|
| 4 | what we had done | 11 |
|
| 5 | what we 'd done | 9 |
|
