| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [conj] [pron] could | 3937 |
|
| 2 | [adv] [subord] [pron] could | 2062 |
|
| 3 | [adv] when [pron] [vb mod] | 242 |
|
| 4 | [adv] when [pron] [modal v] | 242 |
|
| 5 | [adv] when [pron] could | 49 |
|
| 6 | [adv] when [pron] could | 49 |
|
