| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb past] [adv] been | 537 |
|
| 2 | they [vb past] [adv] been | 344 |
|
| 3 | [Wh det] they [vb past] [adv] | 239 |
|
| 4 | [Wh det] they [vb past] been | 137 |
|
