| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pers pn] could [adv] [vb infin] | 767 |
|
| 2 | she [vb past] [pers pn] could [vb infin] | 175 |
|
| 3 | she [vb past] [pers pn] could [adv] | 135 |
|
| 4 | she [pers pn] could [adv] [vb infin] | 24 |
|
