| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could not [verb] | 4952 |
|
| 2 | they [vb mod] not [verb] | 2774 |
|
| 3 | they [modal v] not [verb] | 2774 |
|
| 4 | they could [adv] [verb] | 1886 |
|
| 5 | they could [not/n't] [verb] | 1283 |
|
| 6 | they could not [verb] | 1281 |
|
| 7 | they could not [verb] | 628 |
|
