| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [adv] [verb] [noun sg] | 457 |
|
| 2 | when [pron] could [adv] [verb] | 116 |
|
| 3 | when [pron] [adv] [verb] [noun sg] | 31 |
|
