| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [verb] to | 3294 |
|
| 2 | [vb past] [be] [verb] to | 2261 |
|
| 3 | it [vb past] [be] [verb] | 1746 |
|
| 4 | it [vb past] [verb] to | 330 |
|
| 5 | it [vb past] [be] to | 7 |
|
