| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [be] difficult [not/n't] | 13 |
|
| 2 | [coord] it [be] difficult [not/n't] | 11 |
|
| 3 | and it [be] difficult [not/n't] | 6 |
|
| 4 | and it [be] difficult [not/n't] | 6 |
|
| 5 | but it [be] difficult [not/n't] | 5 |
|
| 6 | but it [be] difficult [not/n't] | 5 |
|
| 7 | it [be] [adv] difficult [not/n't] | 10 |
|
| 8 | it [be] [adv] difficult [not/n't] | 10 |
|
| 9 | it [be] very difficult [not/n't] | 5 |
|
| 10 | it [be] very difficult [not/n't] | 5 |
|
| 11 | it [be] difficult if [not/n't] | 5 |
|
| 12 | it [be] difficult [conj] [not/n't] | 5 |
|
| 13 | it [be] difficult if [not/n't] | 5 |
|
| 14 | it [be] difficult [subord] [not/n't] | 5 |
|
| 15 | it [be] difficult [not/n't] [verb] | 40 |
|
| 16 | it [be] difficult [not/n't] [to-vb] | 38 |
|
| 17 | it [be] difficult [not/n't] [prep] | 9 |
|
| 18 | it [be] difficult [not/n't] to | 9 |
|
| 19 | it [be] difficult [not/n't] see | 9 |
|
| 20 | it [be] difficult [not/n't] [prep] | 9 |
|
| 21 | it [be] difficult [not/n't] to see | 9 |
|
| 22 | it [be] difficult [not/n't] to | 9 |
|
