| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it difficult [prep] [noun] | 62 |
|
| 2 | make it difficult [prep] [noun] | 58 |
|
| 3 | [vb past] it difficult [prep] [noun] | 14 |
|
| 4 | making it difficult [prep] [noun] | 11 |
|
| 5 | made it difficult [prep] [noun] | 11 |
|
| 6 | [v-ing] it difficult [prep] [noun] | 11 |
|
| 7 | make it difficult [prep] [noun] | 10 |
|
| 8 | [vb base] it difficult [prep] [noun] | 10 |
|
| 9 | [vb infin] it difficult [prep] [noun] | 10 |
|
| 10 | make it difficult [prep] [noun] | 9 |
|
| 11 | makes it difficult [prep] [noun] | 7 |
|
| 12 | [vb -s] it difficult [prep] [noun] | 7 |
|
| 13 | made it difficult [prep] [noun] | 6 |
|
| 14 | [vb pp] it difficult [prep] [noun] | 6 |
|
| 15 | it [be] difficult [prep] [noun] | 56 |
|
| 16 | it be difficult [prep] [noun] | 56 |
|
| 17 | it [adv] difficult [prep] [noun] | 53 |
|
| 18 | it [adv] difficult [prep] [noun] | 53 |
|
| 19 | it [is] difficult [prep] [noun] | 42 |
|
| 20 | it is difficult [prep] [noun] | 34 |
|
| 21 | it more difficult [prep] [noun] | 23 |
|
| 22 | it more difficult [prep] [noun] | 23 |
|
| 23 | it very difficult [prep] [noun] | 14 |
|
| 24 | it was difficult [prep] [noun] | 14 |
|
| 25 | it [was/were] difficult [prep] [noun] | 14 |
|
| 26 | it very difficult [prep] [noun] | 14 |
|
| 27 | it 's difficult [prep] [noun] | 8 |
|
| 28 | it extremely difficult [prep] [noun] | 8 |
|
| 29 | it extremely difficult [prep] [noun] | 8 |
|
| 30 | it difficult [verb] [prep] [noun] | 30 |
|
