| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adj] [verb] that | 2023 |
|
| 2 | it [is] difficult [verb] [conj] | 179 |
|
| 3 | it [be] difficult [verb] that | 132 |
|
| 4 | [pron] [is] difficult [verb] that | 102 |
|
| 5 | it [is] difficult [verb] that | 102 |
|
| 6 | [pers pn] [is] difficult [verb] that | 102 |
|
| 7 | it [is] difficult [verb] [that] | 102 |
|
| 8 | it [is] difficult [verb] that | 102 |
|
