| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [is] difficult [to-vb] [noun] | 37 |
|
| 2 | that it [is] difficult [to-vb] [noun] | 14 |
|
| 3 | that it [is] difficult [to-vb] [noun] | 14 |
|
| 4 | [that] it [is] difficult [to-vb] [noun] | 14 |
|
| 5 | [noun] it [is] difficult [to-vb] [noun] | 12 |
|
| 6 | [coord] it [is] difficult [to-vb] [noun] | 12 |
|
| 7 | [subord] it [is] difficult [to-vb] [noun] | 11 |
|
| 8 | [noun sg] it [is] difficult [to-vb] [noun] | 9 |
|
| 9 | but it [is] difficult [to-vb] [noun] | 6 |
|
| 10 | and it [is] difficult [to-vb] [noun] | 6 |
|
| 11 | and it [is] difficult [to-vb] [noun] | 6 |
|
| 12 | but it [is] difficult [to-vb] [noun] | 6 |
|
| 13 | [adv] it [is] difficult [to-vb] [noun] | 6 |
|
| 14 | which it [is] difficult [to-vb] [noun] | 5 |
|
| 15 | which it [is] difficult [to-vb] [noun] | 5 |
|
| 16 | [Wh det] it [is] difficult [to-vb] [noun] | 5 |
|
| 17 | [pron] it [is] difficult [to-vb] [noun] | 5 |
|
| 18 | [verb] it [is] difficult [to-vb] [noun] | 5 |
|
| 19 | it [is] [adv] difficult [to-vb] [noun] | 81 |
|
| 20 | it [is] [adv] difficult [to-vb] [noun] | 67 |
|
| 21 | it [is] very difficult [to-vb] [noun] | 28 |
|
| 22 | it [is] very difficult [to-vb] [noun] | 28 |
|
| 23 | it [is] not difficult [to-vb] [noun] | 14 |
|
| 24 | it [is] not difficult [to-vb] [noun] | 14 |
|
| 25 | it [is] [not/n't] difficult [to-vb] [noun] | 14 |
|
| 26 | it [is] more difficult [to-vb] [noun] | 9 |
|
| 27 | it [is] more difficult [to-vb] [noun] | 9 |
|
| 28 | it [is] extremely difficult [to-vb] [noun] | 5 |
|
| 29 | it [is] extremely difficult [to-vb] [noun] | 5 |
|
| 30 | it [is] difficult [adv] [to-vb] [noun] | 6 |
|
