| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] to [be] | 3714 |
|
| 2 | it [vb -s] to [be] | 2380 |
|
| 3 | [pron] has to [be] | 1579 |
|
| 4 | it have to [be] | 1424 |
|
| 5 | it has [prep] [be] | 877 |
|
