| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [was/were] not [prep] [det] | 12 |
|
| 2 | who was [not/n't] [prep] [det] | 9 |
|
| 3 | who [was/were] [not/n't] at [det] | 8 |
|
| 4 | who [was/were] [not/n't] [prep] all | 7 |
|
