| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [vb pp] to | 2043 |
|
| 2 | when it [be] [vb pp] | 1351 |
|
| 3 | when it [be] to | 8 |
|
| 4 | when it [vb pp] to | 5 |
|
