| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pron] [modal v] [adv] [vb infin] | 8180 |
|
| 2 | [conj] [pron] could [adv] [vb infin] | 6297 |
|
| 3 | [subord] [pron] could [adv] [verb] | 2039 |
|
