| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [adv] | 7332 |
|
| 2 | could [vb infin] [adv] | 3625 |
|
| 3 | [vb mod] [vb infin] so | 1648 |
|
| 4 | [modal v] [vb infin] so | 1648 |
|
| 5 | could [verb] so | 173 |
|
| 6 | could [vb infin] so | 173 |
|
| 7 | could [vb infin] so | 173 |
|
