| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] difficult [to-vb] [adj] [noun] | 139 |
|
| 2 | is difficult [to-vb] [adj] [noun] | 128 |
|
| 3 | [is] difficult [to-vb] [adj] [noun sg] | 80 |
|
| 4 | [is] difficult [to-vb] [det] [noun] | 72 |
|
| 5 | [is] difficult [to-vb] [adj] [noun] | 64 |
|
| 6 | [is] difficult [to-vb] [adj] [noun pl] | 55 |
|
| 7 | [is] difficult [to-vb] any [noun] | 18 |
|
| 8 | [is] difficult [to-vb] any [noun] | 18 |
|
| 9 | [is] difficult [to-vb] this [noun] | 16 |
|
| 10 | [is] difficult [to-vb] this [noun] | 16 |
|
| 11 | [is] difficult to find [adj] [noun] | 12 |
|
| 12 | [is] difficult [to-vb] these [noun] | 11 |
|
| 13 | [is] difficult [to-vb] these [noun] | 11 |
|
| 14 | 's difficult [to-vb] [adj] [noun] | 11 |
|
| 15 | [is] difficult [to-vb] that [noun] | 9 |
|
| 16 | [is] difficult [to-vb] that [noun] | 9 |
|
| 17 | [is] difficult [to-vb] such [noun] | 8 |
|
| 18 | [is] difficult [to-vb] such [noun] | 8 |
|
| 19 | [is] difficult to imagine [adj] [noun] | 7 |
|
| 20 | [is] difficult to obtain [adj] [noun] | 6 |
|
| 21 | [is] difficult [to-vb] precise [noun] | 5 |
|
| 22 | [is] difficult to get [adj] [noun] | 5 |
|
| 23 | [is] difficult [to-vb] precise [noun] | 5 |
|
