| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [verb] to [be] | 5995 |
|
| 2 | it [be] [verb] [prep] [be] | 2027 |
|
| 3 | it [be] [verb] [prep] [be] | 1637 |
|
| 4 | it [be] [verb] to [be] | 1629 |
|
