| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [verb] been [v-ing] | 886 |
|
| 2 | what [verb] been [v-ing] | 191 |
|
| 3 | what they [verb] been | 99 |
|
| 4 | what they [verb] [v-ing] | 19 |
|
