| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [adv] [verb] [pron] | 696 |
|
| 2 | [vb mod] [vb infin] [adv] [verb] [pron] | 696 |
|
| 3 | could [verb] [adv] [verb] [pron] | 76 |
|
| 4 | could [vb infin] [adv] [verb] [pron] | 75 |
|
