| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [pron] [prep] | 1806 |
|
| 2 | [vb mod] [vb infin] one [prep] | 217 |
|
| 3 | [modal v] [vb infin] one [prep] | 217 |
|
| 4 | could [verb] one [prep] | 22 |
|
| 5 | could [vb infin] one [prep] | 22 |
|
| 6 | could [vb infin] one [prep] | 22 |
|
