| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [modal v] have been [v-ing] | 81 |
|
| 2 | they [vb mod] have been [v-ing] | 81 |
|
| 3 | they must have been [v-ing] | 18 |
|
| 4 | they must have been [v-ing] | 18 |
|
| 5 | they should have been [v-ing] | 16 |
|
| 6 | they should have been [v-ing] | 16 |
|
| 7 | they might have been [v-ing] | 15 |
|
| 8 | they might have been [v-ing] | 15 |
|
| 9 | they would have been [v-ing] | 15 |
|
| 10 | they would have been [v-ing] | 11 |
|
| 11 | they could have been [v-ing] | 8 |
|
| 12 | they could have been [v-ing] | 8 |
|
| 13 | they may have been [v-ing] | 7 |
|
| 14 | they may have been [v-ing] | 7 |
|
| 15 | they [verb] have been [v-ing] | 7 |
|
| 16 | [conj] they have been [v-ing] | 246 |
|
| 17 | [noun] they have been [v-ing] | 146 |
|
| 18 | [subord] they have been [v-ing] | 124 |
|
| 19 | [noun sg] they have been [v-ing] | 90 |
|
| 20 | that they have been [v-ing] | 71 |
|
| 21 | [that] they have been [v-ing] | 71 |
|
| 22 | that they have been [v-ing] | 71 |
|
| 23 | [pron] they have been [v-ing] | 67 |
|
| 24 | [adv] they have been [v-ing] | 63 |
|
| 25 | [Wh det] they have been [v-ing] | 59 |
|
| 26 | [coord] they have been [v-ing] | 51 |
|
| 27 | [noun pl] they have been [v-ing] | 50 |
|
| 28 | [verb] they have been [v-ing] | 44 |
|
| 29 | if they have been [v-ing] | 43 |
|
| 30 | if they have been [v-ing] | 43 |
|
