| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could n't [vb infin] [pron] [modal v] [verb] | 10 |
|
| 2 | could n't [verb] [pron] [modal v] [verb] | 10 |
|
| 3 | could n't [verb] [pron] [vb mod] [verb] | 10 |
|
| 4 | could n't [verb] [pron] [modal v] [vb infin] | 10 |
|
| 5 | could n't [verb] [pron] would [verb] | 7 |
|
| 6 | could n't [verb] [pers pn] [modal v] [verb] | 6 |
|
| 7 | could n't [verb] [pron] would [verb] | 6 |
|
