| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pers pn] could | 2608 |
|
| 2 | [vb past] [pers pn] i | 809 |
|
| 3 | [vb past] i could | 535 |
|
| 4 | [pers pn] i could | 147 |
|
