| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [verb] been [v-ing] [prep] | 256 |
|
| 2 | which [verb] been [v-ing] [prep] | 128 |
|
| 3 | which they [verb] been [v-ing] | 20 |
|
| 4 | which they [verb] [v-ing] [prep] | 8 |
|
