| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [prep] [verb] [prep] | 168 |
|
| 2 | it [prep] [v-ing] [prep] | 151 |
|
| 3 | [pron] [prep] working [prep] | 44 |
|
| 4 | it [prep] work [prep] | 8 |
|
| 5 | it [prep] working [prep] | 7 |
|
