| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] they have [been] [verb] | 111 |
|
| 2 | [Wh adv] they have [been] [verb] | 90 |
|
| 3 | [Wh adv] [adv] they have [verb] | 71 |
|
| 4 | [Wh adv] [adv] they have [been] | 20 |
|
