| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [pers pn] could [adv] [verb] | 2463 |
|
| 2 | [coord] [pers pn] [vb mod] not [verb] | 2274 |
|
| 3 | [coord] [pers pn] [modal v] not [verb] | 2274 |
|
| 4 | [coord] [pers pn] could [not/n't] [verb] | 1887 |
|
| 5 | [coord] [pers pn] could not [verb] | 1885 |
|
| 6 | [conj] [pers pn] could not [verb] | 1651 |
|
| 7 | [coord] [pron] could not [verb] | 552 |
|
| 8 | [coord] [pers pn] could not [verb] | 534 |
|
