| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [verb] [to-vb] some [noun] | 9 |
|
| 2 | it [is] [verb] [to-vb] some [noun sg] | 7 |
|
| 3 | it [is] [vb pp] [to-vb] some [noun] | 6 |
|
