| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [be] [prep] [to-vb] | 50 |
|
| 2 | it [be] [prep] he [to-vb] | 21 |
|
| 3 | [modal v] [be] [prep] he [to-vb] | 10 |
|
| 4 | it [modal v] [be] [prep] he | 8 |
|
