| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb mod] [verb] [be] [adj] | 1844 |
|
| 2 | it [vb mod] [verb] [be] [adj] | 1090 |
|
| 3 | it [modal v] [verb] [be] [adj] | 719 |
|
