| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pers pn] could [vb infin] | 12625 |
|
| 2 | [prep] [pers pn] could [vb infin] | 276 |
|
| 3 | [prep] [conj] [pers pn] could | 272 |
|
