| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] not [vb infin] [pron] [modal v] [verb] | 1365 |
|
| 2 | [verb] not [vb infin] [pron] could [verb] | 280 |
|
| 3 | [vb base] [adv] [vb infin] [pron] could [verb] | 153 |
|
| 4 | [vb base] not [verb] [pron] could [verb] | 152 |
|
