| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [is] [vb pp] [to-vb] | 2886 |
|
| 2 | it [be] [vb pp] [to-vb] | 2093 |
|
| 3 | it [is] [verb] [to-vb] | 1982 |
|
| 4 | it [is] [vb pp] [verb] | 1240 |
|
