| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [vb infin] [adv] [conj] | 203 |
|
| 2 | could [not/n't] [vb infin] [adv] [conj] | 108 |
|
| 3 | [vb mod] [not/n't] [vb infin] so [conj] | 32 |
|
| 4 | [modal v] [not/n't] [vb infin] so [conj] | 32 |
|
| 5 | could [adv] [vb infin] so [conj] | 7 |
|
| 6 | could [not/n't] [vb infin] so [conj] | 5 |
|
| 7 | could [not/n't] [verb] so [conj] | 5 |
|
| 8 | could [not/n't] [vb infin] so [conj] | 5 |
|
