| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [conj] it is difficult [to-vb] | 70 |
|
| 2 | [noun sg] [conj] it is difficult [verb] | 42 |
|
| 3 | [noun] [coord] it is difficult [verb] | 37 |
|
| 4 | [noun] and it is difficult [verb] | 31 |
|
| 5 | [noun] and it is difficult [verb] | 31 |
|
| 6 | [noun pl] [conj] it is difficult [verb] | 25 |
|
| 7 | [noun] [that] it is difficult [verb] | 19 |
|
| 8 | [noun] that it is difficult [verb] | 19 |
|
| 9 | [noun] that it is difficult [verb] | 19 |
|
| 10 | [noun] [subord] it is difficult [verb] | 15 |
|
| 11 | [noun] [conj] it is difficult to see | 13 |
|
| 12 | [noun] [conj] it is difficult see | 13 |
|
| 13 | [noun] [conj] it is difficult to know | 6 |
|
| 14 | [noun] [conj] it is difficult know | 6 |
|
| 15 | [noun] but it is difficult [verb] | 6 |
|
| 16 | [noun] but it is difficult [verb] | 6 |
|
| 17 | [noun] as it is difficult [verb] | 5 |
|
| 18 | [noun] as it is difficult [verb] | 5 |
|
