| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it [be] [prep] [verb] | 112 |
|
| 2 | [v-ing] [pron] [be] [prep] [verb] | 10 |
|
| 3 | [v-ing] it [be] [prep] [verb] | 5 |
|
