| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he [verb] [conj] [pers pn] could have | 15 |
|
| 2 | he [verb] [that] [pers pn] could have | 10 |
|
| 3 | he [verb] that [pers pn] could have | 10 |
|
| 4 | he [verb] that [pers pn] could have | 10 |
|
| 5 | he [verb] [pers pn] could [adv] have | 12 |
|
| 6 | he [verb] [pers pn] could [not/n't] have | 6 |
|
| 7 | he [verb] [pers pn] could not have | 6 |
|
| 8 | he [verb] [pers pn] could [adv] have | 6 |
|
| 9 | he [verb] [pers pn] could n't have | 5 |
|
| 10 | he [verb] [pers pn] could have [vb pp] | 8 |
|
| 11 | he [verb] [pers pn] could have [verb] | 8 |
|
