| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not [pron] [verb] [det] | 145 |
|
| 2 | [vb mod] not [pron] [verb] [det] | 145 |
|
| 3 | could not [pron] [verb] [adj] | 26 |
|
| 4 | could [adv] [pron] [verb] [det] | 21 |
|
| 5 | could not [pron] [verb] [det] | 21 |
|
