| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have n't heard from | 37 |
|
| 2 | have n't [vb pp] from | 36 |
|
| 3 | had n't [vb pp] from | 19 |
|
| 4 | has n't [vb pp] from | 8 |
|
