| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it could have [verb] | 39 |
|
| 2 | [adv] it could have [verb] | 22 |
|
| 3 | [subord] it could have [verb] | 17 |
|
| 4 | [coord] it could have [verb] | 16 |
|
| 5 | how it could have [verb] | 15 |
|
| 6 | [Wh adv] it could have [verb] | 15 |
|
| 7 | how it could have [verb] | 15 |
|
| 8 | [noun] it could have [verb] | 14 |
|
| 9 | [verb] it could have [verb] | 14 |
|
| 10 | [noun sg] it could have [verb] | 11 |
|
| 11 | or it could have [verb] | 7 |
|
| 12 | [adv] it could have [verb] | 7 |
|
| 13 | or it could have [verb] | 7 |
|
| 14 | [vb past] it could have [verb] | 6 |
|
| 15 | that it could have [verb] | 6 |
|
| 16 | that it could have [verb] | 6 |
|
| 17 | [pron] it could have [verb] | 6 |
|
| 18 | [that] it could have [verb] | 6 |
|
| 19 | but it could have [verb] | 5 |
|
| 20 | but it could have [verb] | 5 |
|
| 21 | [Wh det] it could have [verb] | 5 |
|
| 22 | which it could have [verb] | 5 |
|
| 23 | which it could have [verb] | 5 |
|
| 24 | it [pron] could have [verb] | 5 |
|
| 25 | it [pers pn] could have [verb] | 5 |
|
| 26 | it could [adv] have [verb] | 57 |
|
| 27 | it could [not/n't] have [verb] | 34 |
|
| 28 | it could not have [verb] | 34 |
|
| 29 | it could [adv] have [verb] | 23 |
|
| 30 | it could not have [verb] | 20 |
|
