| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] been [v-ing] | 389 |
|
| 2 | [coord] they [vb past] [v-ing] | 93 |
|
| 3 | [coord] they [vb past] been | 93 |
|
| 4 | [coord] [vb past] been [v-ing] | 77 |
|
