| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could [vb infin] a [adv] | 75 |
|
| 2 | [pers pn] could [vb infin] a word | 25 |
|
| 3 | could [vb infin] a word [adv] | 6 |
|
