| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [that] it be difficult [prep] [pers pn] | 7 |
|
| 2 | [that] it be difficult [prep] [pers pn] | 7 |
|
| 3 | that it be difficult [prep] [pers pn] | 7 |
|
| 4 | [that] it be difficult for [pers pn] | 7 |
|
| 5 | [that] it be difficult for [pers pn] | 7 |
|
| 6 | [that] it is difficult [prep] [pers pn] | 5 |
|
