| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [prep] [be] [verb] | 122 |
|
| 2 | [prep] [v-ing] it [be] [verb] | 53 |
|
| 3 | [v-ing] [prep] it [be] [verb] | 32 |
|
| 4 | [prep] [v-ing] [prep] it [be] | 28 |
|
| 5 | [prep] [v-ing] [prep] it [verb] | 17 |
|
