| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] it [verb] been | 189 |
|
| 2 | [v-ing] [prep] it [verb] | 164 |
|
| 3 | [v-ing] it [verb] been | 23 |
|
| 4 | [v-ing] [prep] [verb] been | 10 |
|
