| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] who had not [vb pp] | 59 |
|
| 2 | [noun pl] who had not [vb pp] | 51 |
|
| 3 | [noun pl] who had n't [vb pp] | 8 |
|
| 4 | patients who had not [vb pp] | 7 |
|
| 5 | [noun pl] who had not had | 5 |
|
