| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pers pn] could [vb infin] | 1430 |
|
| 2 | [pers pn] could never [vb infin] | 631 |
|
| 3 | [vb past] [pers pn] could never | 44 |
|
| 4 | [vb past] [pers pn] never [vb infin] | 31 |
|
