| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adj] [to-vb] | 13513 |
|
| 2 | [subord] it is [adj] | 3701 |
|
| 3 | [subord] it is [to-vb] | 303 |
|
| 4 | [subord] is [adj] [to-vb] | 43 |
|
