| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] [verb] | 13638 |
|
| 2 | [v-ing] it [be] [adv] | 351 |
|
| 3 | [v-ing] [be] [adv] [verb] | 313 |
|
| 4 | [v-ing] it [be] [verb] | 180 |
|
| 5 | [v-ing] it [adv] [verb] | 159 |
|
