| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been done for | 53 |
|
| 2 | has been done for | 22 |
|
| 3 | had been done for | 11 |
|
| 4 | have been done for | 7 |
|
| 5 | have been done for | 6 |
|
| 6 | 's been done for | 5 |
|
