| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [prep] [v-ing] | 2114 |
|
| 2 | [pron] be for [v-ing] | 86 |
|
| 3 | it be for [verb] | 43 |
|
| 4 | it [be] for [v-ing] | 42 |
|
