| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could have [been] [prep] | 49 |
|
| 2 | [pers pn] could have [been] [prep] | 41 |
|
| 3 | [noun] could have [been] [prep] | 32 |
|
| 4 | [noun sg] could have [been] [prep] | 18 |
|
| 5 | it could have [been] [prep] | 13 |
|
| 6 | it could have [been] [prep] | 13 |
|
| 7 | he could have [been] [prep] | 8 |
|
| 8 | he could have [been] [prep] | 8 |
|
| 9 | i could have [been] [prep] | 7 |
|
| 10 | i could have [been] [prep] | 7 |
|
| 11 | we could have [been] [prep] | 7 |
|
| 12 | [noun pl] could have [been] [prep] | 7 |
|
| 13 | [conj] could have [been] [prep] | 7 |
|
| 14 | we could have [been] [prep] | 7 |
|
| 15 | [noun prp] could have [been] [prep] | 6 |
|
| 16 | could [adv] have [been] [prep] | 34 |
|
| 17 | could not have [been] [prep] | 19 |
|
| 18 | could [not/n't] have [been] [prep] | 19 |
|
| 19 | could [adv] have [been] [prep] | 15 |
|
| 20 | could not have [been] [prep] | 13 |
|
| 21 | could n't have [been] [prep] | 6 |
|
| 22 | could have [been] [verb] [prep] | 535 |
|
| 23 | could have [been] [vb pp] [prep] | 505 |
|
| 24 | could have [been] [adj] [prep] | 77 |
|
| 25 | could have [been] [adj] [prep] | 49 |
|
| 26 | could have [been] [v-ing] [prep] | 29 |
|
| 27 | could have [been] used [prep] | 23 |
|
| 28 | could have [been] use [prep] | 23 |
|
| 29 | could have [been] make [prep] | 20 |
|
| 30 | could have [been] [adv] [prep] | 19 |
|
