| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [pron] [prep] [v-ing] | 65 |
|
| 2 | [be] it [prep] [v-ing] | 56 |
|
| 3 | be it [prep] [v-ing] | 56 |
|
| 4 | is it [prep] [verb] | 43 |
|
| 5 | [is] it [prep] [v-ing] | 43 |
|
