| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] [prep] | 6841 |
|
| 2 | not [v-ing] [prep] | 4426 |
|
| 3 | not been [prep] | 534 |
|
| 4 | not been [v-ing] | 230 |
|
