| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] do [modal v] [not/n't] | 13 |
|
| 2 | [vb mod] do [vb mod] [not/n't] | 13 |
|
| 3 | [vb mod] [verb] could [not/n't] | 12 |
|
| 4 | [vb mod] [vb infin] could [not/n't] | 11 |
|
| 5 | [vb mod] do could [adv] | 6 |
|
| 6 | [vb mod] do could [not/n't] | 5 |
|
| 7 | [modal v] do could [not/n't] | 5 |
|
| 8 | [vb mod] do could [not/n't] | 5 |
|
