| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] n't [verb] [prep] | 5418 |
|
| 2 | [vb mod] n't [verb] [prep] | 5418 |
|
| 3 | could [adv] [verb] [prep] | 3668 |
|
| 4 | could [not/n't] [verb] [prep] | 2122 |
|
| 5 | could not [verb] [prep] | 2120 |
|
| 6 | could n't [verb] [prep] | 1115 |
|
