| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have be [vb pp] a | 8 |
|
| 2 | could have been [vb pp] a | 8 |
|
| 3 | could have [been] [vb pp] a | 8 |
|
| 4 | could have [be] [vb pp] a | 8 |
|
| 5 | could have [adv] [vb pp] a | 6 |
|
| 6 | could have [adv] [vb pp] a | 6 |
|
| 7 | [pron] could have [vb pp] a | 170 |
|
| 8 | [pers pn] could have [vb pp] a | 150 |
|
| 9 | [noun] could have [vb pp] a | 72 |
|
| 10 | i could have [vb pp] a | 32 |
|
| 11 | i could have [vb pp] a | 32 |
|
| 12 | [noun sg] could have [vb pp] a | 29 |
|
| 13 | he could have [vb pp] a | 28 |
|
| 14 | he could have [vb pp] a | 28 |
|
| 15 | you could have [vb pp] a | 26 |
|
| 16 | you could have [vb pp] a | 26 |
|
| 17 | we could have [vb pp] a | 25 |
|
| 18 | we could have [vb pp] a | 24 |
|
| 19 | [noun prp] could have [vb pp] a | 22 |
|
| 20 | [noun pl] could have [vb pp] a | 20 |
|
| 21 | she could have [vb pp] a | 15 |
|
| 22 | she could have [vb pp] a | 15 |
|
| 23 | they could have [vb pp] a | 14 |
|
| 24 | they could have [vb pp] a | 12 |
|
| 25 | and could have [vb pp] a | 11 |
|
| 26 | [conj] could have [vb pp] a | 11 |
|
| 27 | and could have [vb pp] a | 11 |
|
| 28 | [coord] could have [vb pp] a | 11 |
|
| 29 | [Wh det] could have [vb pp] a | 11 |
|
| 30 | it could have [vb pp] a | 10 |
|
