| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] [prep] [v-ing] [noun] | 38 |
|
| 2 | [pron] [be] [adv] [prep] [v-ing] [noun sg] | 29 |
|
| 3 | it [be] [adv] [prep] [v-ing] [noun sg] | 26 |
|
| 4 | it [be] [adv] [prep] [verb] [noun sg] | 22 |
|
