| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [verb] [pers pn] | 5535 |
|
| 2 | [pron] could [vb infin] [pers pn] | 5487 |
|
| 3 | [pron] could [vb infin] [verb] | 4569 |
|
| 4 | [pron] [vb infin] [verb] [pers pn] | 1244 |
|
| 5 | could [vb infin] [verb] [pers pn] | 1068 |
|
