| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] be [adv] [v-ing] [prep] | 4280 |
|
| 2 | it be [adv] [verb] [prep] | 3372 |
|
| 3 | it be [adv] [v-ing] [prep] | 753 |
|
| 4 | it [be] [adv] [v-ing] [prep] | 424 |
|
