| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] [prep] | 1917 |
|
| 2 | been [v-ing] together [prep] | 33 |
|
| 3 | had been [v-ing] together | 19 |
|
| 4 | had been together [prep] | 15 |
|
