| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [to-vb] [adj] | 1888 |
|
| 2 | it is [verb] [to-vb] | 1341 |
|
| 3 | it is [verb] [adj] | 723 |
|
| 4 | it [verb] [to-vb] [adj] | 695 |
|
| 5 | it is [to-vb] [adj] | 129 |
|
