| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [not/n't] [vb infin] [noun sg] | 2875 |
|
| 2 | [vb mod] [not/n't] [vb infin] [noun sg] | 2875 |
|
| 3 | could [not/n't] [vb infin] [noun] | 923 |
|
| 4 | could [adv] [vb infin] [noun sg] | 818 |
|
| 5 | could [not/n't] [verb] [noun sg] | 441 |
|
| 6 | could [not/n't] [vb infin] [noun sg] | 440 |
|
