| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] could [adv] [verb] [prep] a | 14 |
|
| 2 | [coord] could n't [verb] [prep] [art] | 13 |
|
| 3 | [coord] could n't [verb] [prep] [art] | 13 |
|
| 4 | [coord] [vb mod] n't [verb] [prep] a | 10 |
|
| 5 | [coord] [modal v] n't [verb] [prep] a | 10 |
|
| 6 | [coord] could [not/n't] [verb] [prep] a | 9 |
|
| 7 | [coord] could not [verb] [prep] a | 8 |
|
| 8 | [conj] could n't [verb] [prep] a | 7 |
|
| 9 | [coord] could n't [verb] [prep] a | 6 |
|
| 10 | [coord] could n't [verb] [prep] a | 6 |
|
