| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it 's difficult [to-vb] [noun] | 6 |
|
| 2 | it 's [adv] difficult [to-vb] [noun] | 12 |
|
| 3 | it 's [adv] difficult [to-vb] [noun] | 11 |
|
| 4 | it 's very difficult [to-vb] [noun] | 9 |
|
| 5 | it 's very difficult [to-vb] [noun] | 9 |
|
| 6 | it 's difficult [to-vb] [art] [noun] | 27 |
|
| 7 | it 's difficult [to-vb] [art] [noun] | 27 |
|
| 8 | it 's difficult [to-vb] the [noun] | 17 |
|
| 9 | it 's difficult [to-vb] the [noun] | 17 |
|
| 10 | it 's difficult [to-vb] [adj] [noun] | 11 |
|
| 11 | it 's difficult [to-vb] [prep] [noun] | 10 |
|
| 12 | it 's difficult [to-vb] [prep] [noun] | 10 |
|
| 13 | it 's difficult [to-vb] a [noun] | 10 |
|
| 14 | it 's difficult [to-vb] a [noun] | 9 |
|
| 15 | it 's difficult [to-vb] [pron] [noun] | 9 |
|
| 16 | it 's difficult [to-vb] [det] [noun] | 8 |
|
| 17 | it 's difficult [to-vb] [Wh det] [noun] | 7 |
|
| 18 | it 's difficult [to-vb] [noun] [prep] | 7 |
|
| 19 | it 's difficult [to-vb] [noun] [prep] | 7 |
|
