| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [vb pp] to [be] | 412 |
|
| 2 | it [is] [adv] to [be] | 152 |
|
| 3 | it [is] [vb pp] [adv] to | 101 |
|
| 4 | [is] [vb pp] [adv] to [be] | 94 |
|
