| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pers pn] could [adv] [verb] | 371 |
|
| 2 | [Wh det] [pers pn] could [adv] [vb infin] | 369 |
|
| 3 | [Wh det] [pers pn] [vb mod] [adv] have | 177 |
|
| 4 | [Wh det] [pers pn] [modal v] [adv] have | 177 |
|
| 5 | [pron] [pers pn] could [adv] have | 53 |
|
| 6 | [Wh det] [pron] could [adv] have | 28 |
|
| 7 | [Wh det] [pers pn] could [adv] have | 26 |
|
| 8 | [Wh det] [pers pn] could [adv] have | 26 |
|
