| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is difficult [to-vb] [adj] | 193 |
|
| 2 | it is difficult [to-vb] [adj] | 193 |
|
| 3 | it is difficult [to-vb] [adj] | 193 |
|
| 4 | [pron] is difficult [to-vb] [adj] | 193 |
|
| 5 | is [adv] difficult [to-vb] [adj] | 99 |
|
| 6 | is [adv] difficult [to-vb] [adj] | 82 |
|
| 7 | is very difficult [to-vb] [adj] | 26 |
|
| 8 | is very difficult [to-vb] [adj] | 26 |
|
| 9 | is not difficult [to-vb] [adj] | 17 |
|
| 10 | is not difficult [to-vb] [adj] | 17 |
|
| 11 | is [not/n't] difficult [to-vb] [adj] | 17 |
|
| 12 | is extremely difficult [to-vb] [adj] | 16 |
|
| 13 | is extremely difficult [to-vb] [adj] | 16 |
|
| 14 | is often difficult [to-vb] [adj] | 10 |
|
| 15 | is often difficult [to-vb] [adj] | 10 |
|
| 16 | is more difficult [to-vb] [adj] | 6 |
|
| 17 | is more difficult [to-vb] [adj] | 6 |
|
| 18 | is difficult [adv] [to-vb] [adj] | 8 |
|
| 19 | is difficult [to-vb] [art] [adj] | 95 |
|
| 20 | is difficult [to-vb] [art] [adj] | 95 |
|
| 21 | is difficult [to-vb] [adv] [adj] | 83 |
|
| 22 | is difficult [to-vb] [Wh adv] [adj] | 70 |
|
| 23 | is difficult [to-vb] [prep] [adj] | 70 |
|
| 24 | is difficult [to-vb] [prep] [adj] | 70 |
|
| 25 | is difficult [to-vb] how [adj] | 61 |
|
| 26 | is difficult [to-vb] how [adj] | 61 |
|
| 27 | is difficult [to-vb] a [adj] | 49 |
|
| 28 | is difficult [to-vb] the [adj] | 46 |
|
| 29 | is difficult [to-vb] the [adj] | 46 |
|
| 30 | is difficult [to-vb] [conj] [adj] | 40 |
|
