| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is difficult [verb] [that] [det] | 14 |
|
| 2 | [pers pn] is difficult [to-vb] [that] [det] | 14 |
|
| 3 | [pers pn] is difficult [verb] that [det] | 14 |
|
| 4 | [pers pn] is difficult [verb] [that] this | 7 |
|
| 5 | [pers pn] is difficult believe [that] [det] | 6 |
|
| 6 | [pers pn] is difficult to believe [that] [det] | 6 |
|
