| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] been [v-ing] [prep] | 3342 |
|
| 2 | it [verb] been [verb] [prep] | 1976 |
|
| 3 | it [verb] [be] [v-ing] [prep] | 135 |
|
| 4 | it [verb] be [v-ing] [prep] | 135 |
|
| 5 | it [verb] [been] [v-ing] [prep] | 131 |
|
