| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] [verb] [Wh det] [pron] could | 6 |
|
| 2 | [adv] [verb] [verb] [Wh det] [pron] could | 6 |
|
| 3 | [adv] [verb] [Wh det] [pron] could [verb] | 11 |
|
| 4 | [adv] [verb] [Wh det] [pron] could [vb infin] | 10 |
|
| 5 | [adv] [verb] [Wh det] [pron] could [prep] | 5 |
|
| 6 | [adv] [verb] [Wh det] [pron] could [prep] | 5 |
|
