| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] they could have [verb] | 78 |
|
| 2 | [adv] they could have [verb] | 31 |
|
| 3 | [that] they could have [verb] | 30 |
|
| 4 | that they could have [verb] | 30 |
|
| 5 | that they could have [verb] | 30 |
|
| 6 | [noun] they could have [verb] | 29 |
|
| 7 | [subord] they could have [verb] | 27 |
|
| 8 | [verb] they could have [verb] | 26 |
|
| 9 | [coord] they could have [verb] | 21 |
|
| 10 | [noun sg] they could have [verb] | 20 |
|
| 11 | [adv] they could have [verb] | 20 |
|
| 12 | [pron] they could have [verb] | 15 |
|
| 13 | and they could have [verb] | 13 |
|
| 14 | and they could have [verb] | 13 |
|
| 15 | [Wh det] they could have [verb] | 13 |
|
| 16 | [vb base] they could have [verb] | 11 |
|
| 17 | think they could have [verb] | 10 |
|
| 18 | [Wh adv] they could have [verb] | 9 |
|
| 19 | [noun pl] they could have [verb] | 8 |
|
| 20 | which they could have [verb] | 8 |
|
| 21 | which they could have [verb] | 8 |
|
| 22 | how they could have [verb] | 8 |
|
| 23 | how they could have [verb] | 8 |
|
| 24 | but they could have [verb] | 7 |
|
| 25 | but they could have [verb] | 7 |
|
| 26 | if they could have [verb] | 6 |
|
| 27 | if they could have [verb] | 6 |
|
| 28 | [vb -s] they could have [verb] | 5 |
|
| 29 | [vb pp] they could have [verb] | 5 |
|
| 30 | what they could have [verb] | 5 |
|
