| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] could have been [verb] | 320 |
|
| 2 | [noun sg] could have been [verb] | 317 |
|
| 3 | [noun sg] could have been [vb pp] | 308 |
|
| 4 | [noun sg] could have been avoided | 22 |
|
| 5 | [noun sg] could have been avoid | 22 |
|
| 6 | [noun sg] could have been made | 13 |
|
| 7 | [noun sg] could have been make | 13 |
|
| 8 | [noun sg] could have been use | 12 |
|
| 9 | [noun sg] could have been used | 12 |
|
| 10 | [noun sg] could have been [v-ing] | 10 |
|
| 11 | [noun sg] could have been put | 9 |
|
| 12 | [noun sg] could have been put | 8 |
|
| 13 | [noun sg] could have been save | 8 |
|
| 14 | [noun sg] could have been saved | 8 |
|
| 15 | [noun sg] could have been cause | 5 |
|
| 16 | [noun sg] could have been caused | 5 |
|
| 17 | [noun sg] could have been do | 5 |
|
| 18 | [noun sg] could have been done | 5 |
|
