| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] to [be] | 1036 |
|
| 2 | it is to [be] | 670 |
|
| 3 | it is [adv] to | 443 |
|
| 4 | it [adv] to [be] | 70 |
|
