| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [is] difficult [to-vb] | 1841 |
|
| 2 | [pers pn] [is] difficult [to-vb] | 1815 |
|
| 3 | it [is] difficult [to-vb] | 1809 |
|
| 4 | it [is] difficult [to-vb] | 1809 |
|
| 5 | [noun] [is] difficult [to-vb] | 256 |
|
| 6 | [noun sg] [is] difficult [to-vb] | 189 |
|
| 7 | [noun pl] [is] difficult [to-vb] | 46 |
|
| 8 | [adj] [is] difficult [to-vb] | 44 |
|
| 9 | [conj] [is] difficult [to-vb] | 42 |
|
| 10 | [det] [is] difficult [to-vb] | 38 |
|
| 11 | this [is] difficult [to-vb] | 27 |
|
| 12 | this [is] difficult [to-vb] | 27 |
|
| 13 | [Wh det] [is] difficult [to-vb] | 24 |
|
| 14 | that [is] difficult [to-vb] | 22 |
|
| 15 | that [is] difficult [to-vb] | 22 |
|
| 16 | [that] [is] difficult [to-vb] | 22 |
|
| 17 | [coord] [is] difficult [to-vb] | 19 |
|
| 18 | which [is] difficult [to-vb] | 19 |
|
| 19 | which [is] difficult [to-vb] | 19 |
|
| 20 | [noun prp] [is] difficult [to-vb] | 16 |
|
| 21 | and [is] difficult [to-vb] | 15 |
|
| 22 | and [is] difficult [to-vb] | 15 |
|
| 23 | [verb] [is] difficult [to-vb] | 10 |
|
| 24 | that [is] difficult [to-vb] | 9 |
|
| 25 | that [is] difficult [to-vb] | 9 |
|
| 26 | [vb pp] [is] difficult [to-vb] | 6 |
|
| 27 | [adv] [is] difficult [to-vb] | 6 |
|
| 28 | what [is] difficult [to-vb] | 5 |
|
| 29 | [n mass] [is] difficult [to-vb] | 5 |
|
| 30 | what [is] difficult [to-vb] | 5 |
|
