| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [pron] to do [prep] | 297 |
|
| 2 | it be [pron] [prep] [verb] | 20 |
|
| 3 | it be to do [prep] [verb] | 11 |
|
| 4 | be [pron] to do [prep] [verb] | 10 |
|
