| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [adv] [vb infin] | 1457 |
|
| 2 | [modal v] [not/n't] always [vb infin] | 264 |
|
| 3 | [vb mod] [not/n't] always [vb infin] | 264 |
|
| 4 | could [adv] always [vb infin] | 27 |
|
| 5 | could [not/n't] always [verb] | 25 |
|
| 6 | could [not/n't] always [vb infin] | 25 |
|
