| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that they have been [v-ing] [prep] | 25 |
|
| 2 | that they had been [v-ing] [prep] | 13 |
|
| 3 | that they have been [v-ing] [prep] | 7 |
|
| 4 | that they have been [v-ing] for | 5 |
|
