| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [pers pn] could [adv] have | 21 |
|
| 2 | which [pers pn] could [adv] have | 14 |
|
| 3 | which [pers pn] could not have | 7 |
|
| 4 | which [pers pn] could [not/n't] have | 7 |
|
| 5 | which [pers pn] could not have | 6 |
|
| 6 | which he could [adv] have | 6 |
|
