| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] [pers pn] could [vb infin] | 474 |
|
| 2 | [prep] [Wh det] [pers pn] could [verb] | 474 |
|
| 3 | [prep] [Wh det] [pers pn] [modal v] have | 282 |
|
| 4 | [prep] [Wh det] [pers pn] [vb mod] have | 282 |
|
| 5 | [prep] [pron] [pers pn] could have | 56 |
|
| 6 | [prep] [Wh det] [pron] could have | 39 |
|
| 7 | [prep] [Wh det] [pers pn] could have | 37 |
|
| 8 | [prep] [Wh det] [pers pn] could have | 36 |
|
| 9 | [prep] [Wh det] [pers pn] could have | 36 |
|
