| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could [adv] [vb infin] [noun sg] | 400 |
|
| 2 | [Wh adv] [pers pn] could [adv] [vb infin] | 246 |
|
| 3 | [Wh adv] [pers pn] could [vb infin] [noun sg] | 28 |
|
