| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] difficult [verb] that | 41 |
|
| 2 | it difficult [verb] that | 41 |
|
| 3 | it difficult [verb] that | 41 |
|
| 4 | [pron] difficult [to-vb] that | 41 |
|
| 5 | [pers pn] difficult [verb] that | 41 |
|
| 6 | [pron] difficult believe that | 16 |
|
| 7 | [pron] difficult to believe that | 16 |
|
| 8 | [pron] difficult accept that | 5 |
|
| 9 | [pron] difficult to accept that | 5 |
|
