| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] they had been [v-ing] | 59 |
|
| 2 | [noun sg] they [vb past] been [v-ing] | 50 |
|
| 3 | [noun pl] they [vb past] been [v-ing] | 19 |
|
| 4 | [noun] they 'd been [v-ing] | 13 |
|
| 5 | [noun] they [vb past] been waiting | 5 |
|
