| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] to [be] | 3591 |
|
| 2 | it is [vb pp] to | 791 |
|
| 3 | it is to [be] | 672 |
|
| 4 | it [vb pp] to [be] | 22 |
|
