| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [coord] it [is] difficult [verb] | 40 |
|
| 2 | [noun] [coord] it [is] difficult [to-vb] | 39 |
|
| 3 | [noun] [coord] it [is] [adj] to see | 37 |
|
| 4 | [noun] [coord] it [is] [adj] to see | 37 |
|
| 5 | [noun] [conj] it [is] difficult to see | 14 |
|
| 6 | [noun] [coord] it [be] difficult to see | 11 |
|
| 7 | [noun] [coord] it [is] difficult to see | 10 |
|
| 8 | [noun] [coord] it [is] difficult to see | 10 |
|
| 9 | [noun] [coord] [pers pn] [is] difficult to see | 10 |
|
| 10 | [noun] [coord] [pron] [is] difficult to see | 10 |
|
| 11 | [noun] [coord] it [is] difficult see | 10 |
|
