| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [to-vb] [adj] | 2463 |
|
| 2 | [is] it [adj] | 2316 |
|
| 3 | it [to-vb] [adj] | 397 |
|
| 4 | [is] it [to-vb] | 98 |
|
