| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] back from | 97 |
|
| 2 | have not [vb pp] from | 89 |
|
| 3 | have not [vb pp] back | 36 |
|
| 4 | not [vb pp] back from | 5 |
|
