| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is difficult [to-vb] [art] | 69 |
|
| 2 | [coord] it is difficult [to-vb] [art] | 30 |
|
| 3 | [subord] it is difficult [to-vb] [art] | 22 |
|
| 4 | [noun] it is difficult [to-vb] [art] | 21 |
|
| 5 | [adv] it is difficult [to-vb] [art] | 20 |
|
| 6 | that it is difficult [to-vb] [art] | 17 |
|
| 7 | [that] it is difficult [to-vb] [art] | 17 |
|
| 8 | that it is difficult [to-vb] [art] | 17 |
|
| 9 | [adv] it is difficult [to-vb] [art] | 17 |
|
| 10 | and it is difficult [to-vb] [art] | 15 |
|
| 11 | and it is difficult [to-vb] [art] | 15 |
|
| 12 | but it is difficult [to-vb] [art] | 15 |
|
| 13 | but it is difficult [to-vb] [art] | 15 |
|
| 14 | [noun sg] it is difficult [to-vb] [art] | 12 |
|
| 15 | [noun pl] it is difficult [to-vb] [art] | 8 |
|
| 16 | as it is difficult [to-vb] [art] | 6 |
|
| 17 | as it is difficult [to-vb] [art] | 6 |
|
| 18 | because it is difficult [to-vb] [art] | 5 |
|
| 19 | because it is difficult [to-vb] [art] | 5 |
|
| 20 | although it is difficult [to-vb] [art] | 5 |
|
| 21 | although it is difficult [to-vb] [art] | 5 |
|
| 22 | it is [adv] difficult [to-vb] [art] | 178 |
|
| 23 | it is [adv] difficult [to-vb] [art] | 146 |
|
| 24 | it is very difficult [to-vb] [art] | 35 |
|
| 25 | it is very difficult [to-vb] [art] | 35 |
|
| 26 | it is [not/n't] difficult [to-vb] [art] | 32 |
|
| 27 | it is not difficult [to-vb] [art] | 32 |
|
| 28 | it is not difficult [to-vb] [art] | 31 |
|
| 29 | it is extremely difficult [to-vb] [art] | 21 |
|
| 30 | it is extremely difficult [to-vb] [art] | 21 |
|
