| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [that] it [is] difficult for | 8 |
|
| 2 | [that] it [is] [adv] difficult for | 14 |
|
| 3 | [that] it [is] [adv] difficult for | 14 |
|
| 4 | [that] it [is] very difficult for | 8 |
|
| 5 | [that] it [is] very difficult for | 8 |
|
| 6 | [that] it [is] difficult for [pron] | 8 |
|
| 7 | [that] it [is] difficult for [art] | 5 |
|
| 8 | [that] it [is] difficult for [art] | 5 |
|
| 9 | [that] it [is] difficult for [pers pn] | 5 |
|
