| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] they had been [v-ing] | 98 |
|
| 2 | [conj] they had been on | 14 |
|
| 3 | they had been [v-ing] on | 10 |
|
| 4 | [conj] had been [v-ing] on | 7 |
|
