| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is [adv] difficult [to-vb] | 729 |
|
| 2 | [pers pn] is [adv] difficult [to-vb] | 702 |
|
| 3 | it is [adv] difficult [to-vb] | 701 |
|
| 4 | it is [adv] difficult [to-vb] | 701 |
|
| 5 | [noun] is [adv] difficult [to-vb] | 155 |
|
| 6 | [noun sg] is [adv] difficult [to-vb] | 127 |
|
| 7 | [adj] is [adv] difficult [to-vb] | 41 |
|
| 8 | [det] is [adv] difficult [to-vb] | 35 |
|
| 9 | [conj] is [adv] difficult [to-vb] | 31 |
|
| 10 | this is [adv] difficult [to-vb] | 31 |
|
| 11 | this is [adv] difficult [to-vb] | 31 |
|
| 12 | [Wh det] is [adv] difficult [to-vb] | 24 |
|
| 13 | which is [adv] difficult [to-vb] | 19 |
|
| 14 | which is [adv] difficult [to-vb] | 19 |
|
| 15 | [noun pl] is [adv] difficult [to-vb] | 18 |
|
| 16 | [coord] is [adv] difficult [to-vb] | 17 |
|
| 17 | and is [adv] difficult [to-vb] | 14 |
|
| 18 | and is [adv] difficult [to-vb] | 14 |
|
| 19 | [that] is [adv] difficult [to-vb] | 13 |
|
| 20 | that is [adv] difficult [to-vb] | 13 |
|
| 21 | that is [adv] difficult [to-vb] | 13 |
|
| 22 | [adv] is [adv] difficult [to-vb] | 9 |
|
| 23 | [adv] is [adv] difficult [to-vb] | 7 |
|
| 24 | [noun prp] is [adv] difficult [to-vb] | 7 |
|
| 25 | [adj] is [adv] difficult [to-vb] | 6 |
|
| 26 | what is [adv] difficult [to-vb] | 5 |
|
| 27 | what is [adv] difficult [to-vb] | 5 |
|
| 28 | [verb] is [adv] difficult [to-vb] | 5 |
|
| 29 | is [adv] [adv] difficult [to-vb] | 173 |
|
| 30 | is [adv] [adv] difficult [to-vb] | 140 |
|
