| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be to [be] [vb pp] [det] | 14 |
|
| 2 | it be to be [verb] [det] | 14 |
|
| 3 | it be to [be] [verb] that | 10 |
|
| 4 | it is to [be] [verb] [det] | 10 |
|
