| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] they have [been] [v-ing] [noun] | 12 |
|
| 2 | [subord] they have been [v-ing] [noun] | 12 |
|
| 3 | [subord] they have [been] [v-ing] [noun pl] | 6 |
|
| 4 | if they have [been] [v-ing] [noun] | 5 |
|
| 5 | [subord] they have [been] [v-ing] [noun sg] | 5 |
|
| 6 | [subord] they had [been] [v-ing] [noun] | 5 |
|
