| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adj] [to-vb] [noun sg] [noun sg] | 23 |
|
| 2 | it [adj] [to-vb] [noun] [noun sg] | 21 |
|
| 3 | it difficult [to-vb] [noun] [noun sg] | 5 |
|
| 4 | it easy [to-vb] [noun] [noun sg] | 5 |
|
| 5 | it difficult [to-vb] [noun] [noun sg] | 5 |
|
