| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [subord] it [be] [adv] | 478 |
|
| 2 | [v-ing] [conj] it [be] [adv] | 177 |
|
| 3 | [v-ing] [subord] [pron] [be] [adv] | 163 |
|
| 4 | [v-ing] [subord] it [be] [adv] | 67 |
|
