| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] n't [vb infin] [pron] [noun] [noun] | 87 |
|
| 2 | [modal v] n't [vb infin] [pron] [noun] [noun] | 87 |
|
| 3 | could [adv] [vb infin] [pron] [noun] [noun] | 49 |
|
| 4 | could not [vb infin] [pron] [noun] [noun] | 30 |
|
| 5 | could [not/n't] [vb infin] [pron] [noun] [noun] | 30 |
|
| 6 | could n't [vb infin] [pron] [noun] [noun] | 17 |
|
| 7 | could n't [verb] [pron] [noun] [noun] | 17 |
|
