| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [is] difficult [verb] that [noun] | 17 |
|
| 2 | it [is] difficult [verb] that [noun] | 17 |
|
| 3 | [pron] [is] difficult [verb] that [noun] | 17 |
|
| 4 | it [is] difficult [verb] that [noun] | 17 |
|
| 5 | [is] difficult [verb] that [art] [noun] | 27 |
|
| 6 | [is] difficult [verb] that [art] [noun] | 27 |
|
| 7 | [is] difficult [verb] that the [noun] | 15 |
|
| 8 | [is] difficult [verb] that the [noun] | 15 |
|
| 9 | [is] difficult [verb] that a [noun] | 9 |
|
| 10 | [is] difficult [verb] that a [noun] | 8 |
|
| 11 | [is] difficult [verb] that [adj] [noun] | 5 |
|
| 12 | [is] difficult [verb] that [noun] [verb] | 5 |
|
| 13 | [is] difficult [verb] that [noun] [vb mod] | 5 |
|
| 14 | [is] difficult [verb] that [noun] [modal v] | 5 |
|
