| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] could have been [verb] | 515 |
|
| 2 | [pron] could have been [verb] | 405 |
|
| 3 | [noun sg] could have been [verb] | 320 |
|
| 4 | [pers pn] could have been [verb] | 303 |
|
| 5 | [noun pl] could have been [verb] | 147 |
|
| 6 | it could have been [verb] | 98 |
|
| 7 | it could have been [verb] | 98 |
|
| 8 | [conj] could have been [verb] | 88 |
|
| 9 | [Wh det] could have been [verb] | 75 |
|
| 10 | he could have been [verb] | 72 |
|
| 11 | he could have been [verb] | 72 |
|
| 12 | which could have been [verb] | 69 |
|
| 13 | which could have been [verb] | 69 |
|
| 14 | [adj] could have been [verb] | 66 |
|
| 15 | that could have been [verb] | 55 |
|
| 16 | [that] could have been [verb] | 55 |
|
| 17 | that could have been [verb] | 55 |
|
| 18 | [det] could have been [verb] | 50 |
|
| 19 | they could have been [verb] | 48 |
|
| 20 | they could have been [verb] | 45 |
|
| 21 | [noun prp] could have been [verb] | 42 |
|
| 22 | she could have been [verb] | 36 |
|
| 23 | she could have been [verb] | 36 |
|
| 24 | you could have been [verb] | 23 |
|
| 25 | you could have been [verb] | 23 |
|
| 26 | [coord] could have been [verb] | 23 |
|
| 27 | this could have been [verb] | 18 |
|
| 28 | [verb] could have been [verb] | 18 |
|
| 29 | this could have been [verb] | 18 |
|
| 30 | and could have been [verb] | 15 |
|
