| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have not [vb pp] back | 18 |
|
| 2 | he have not [vb pp] back | 7 |
|
| 3 | [pron] have not [vb pp] back | 7 |
|
| 4 | i have not [vb pp] back | 7 |
|
| 5 | i have not [vb pp] back | 7 |
|
| 6 | he have not [vb pp] back | 7 |
|
| 7 | [pron] had not [vb pp] back | 7 |
|
| 8 | [pron] have not come back | 5 |
|
