| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [conj] they have been | 539 |
|
| 2 | [noun] [conj] have been [v-ing] | 364 |
|
| 3 | [conj] they have been [v-ing] | 246 |
|
| 4 | [noun] they have been [v-ing] | 146 |
|
