| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [verb] [pron] | 7444 |
|
| 2 | [modal v] [adv] [verb] i | 2165 |
|
| 3 | [vb mod] [adv] [verb] i | 2165 |
|
| 4 | could [adv] [verb] i | 205 |
|
