| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it 's [prep] [v-ing] | 520 |
|
| 2 | it [be] for [v-ing] | 42 |
|
| 3 | it be for [v-ing] | 42 |
|
| 4 | it [is] for [v-ing] | 37 |
|
| 5 | [pron] 's for [v-ing] | 30 |
|
| 6 | it 's for [verb] | 26 |
|
