| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [modal v] [not/n't] [vb infin] | 1815 |
|
| 2 | [conj] could [not/n't] [vb infin] | 880 |
|
| 3 | [coord] could [not/n't] [vb infin] | 817 |
|
| 4 | and could [adv] [vb infin] | 727 |
|
| 5 | and could [not/n't] [verb] | 467 |
|
| 6 | and could [not/n't] [vb infin] | 466 |
|
