| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that have been [v-ing] [prep] the | 37 |
|
| 2 | that had been [v-ing] [prep] the | 22 |
|
| 3 | that have been [v-ing] in the | 12 |
|
| 4 | that has been [v-ing] [prep] the | 10 |
|
