| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that it [be] difficult for | 25 |
|
| 2 | [that] it [be] difficult for | 25 |
|
| 3 | [that] it be difficult for | 25 |
|
| 4 | [that] it [is] difficult for | 18 |
|
| 5 | [that] it is difficult for | 16 |
|
| 6 | [that] it was difficult for | 7 |
|
| 7 | [that] it [was/were] difficult for | 7 |
|
