| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] could [vb infin] | 13349 |
|
| 2 | [subord] [pron] could [vb infin] | 6786 |
|
| 3 | before [pron] [modal v] [vb infin] | 1857 |
|
| 4 | before [pron] could [verb] | 1078 |
|
| 5 | before [pron] could [vb infin] | 1078 |
|
