| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [to-vb] [noun] | 2161 |
|
| 2 | it is [verb] [to-vb] | 1341 |
|
| 3 | it [verb] [to-vb] [noun] | 686 |
|
| 4 | it is [verb] [noun] | 457 |
|
| 5 | it is [to-vb] [noun] | 141 |
|
