| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be difficult for them [verb] | 27 |
|
| 2 | [pron] difficult for them [verb] | 20 |
|
| 3 | [pron] be difficult for them | 17 |
|
| 4 | [pron] be for them [verb] | 11 |
|
