| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [prep] [v-ing] [prep] | 380 |
|
| 2 | it [be] [v-ing] [prep] the | 380 |
|
| 3 | [be] [prep] [v-ing] [prep] the | 192 |
|
| 4 | it [be] [prep] [v-ing] the | 171 |
|
| 5 | it [prep] [v-ing] [prep] the | 46 |
|
| 6 | it [be] [prep] [prep] the | 37 |
|
