| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] and could have been [verb] | 6 |
|
| 2 | and [noun] could have been [verb] | 14 |
|
| 3 | and [pron] could have been [verb] | 9 |
|
| 4 | and [noun sg] could have been [verb] | 8 |
|
| 5 | and [pers pn] could have been [verb] | 8 |
|
| 6 | and could [adv] have been [verb] | 24 |
|
| 7 | and could [adv] have been [verb] | 14 |
|
| 8 | and could not have been [verb] | 10 |
|
| 9 | and could [not/n't] have been [verb] | 10 |
|
| 10 | and could not have been [verb] | 10 |
|
| 11 | and could only have been [verb] | 6 |
|
| 12 | and could only have been [verb] | 6 |
|
| 13 | and could have been [verb] [prep] | 6 |
|
| 14 | and could have been [verb] [prep] | 6 |
|
| 15 | and could have been [verb] by | 5 |
|
| 16 | and could have been [verb] by | 5 |
|
