| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [v-ing] [prep] | 256 |
|
| 2 | [verb] have been [v-ing] [prep] | 52 |
|
| 3 | [verb] they have been [v-ing] | 44 |
|
| 4 | [verb] they have been [prep] | 26 |
|
| 5 | [verb] they been [v-ing] [prep] | 7 |
|
