| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] be difficult for i | 21 |
|
| 2 | [pron] be for i [to-vb] | 16 |
|
| 3 | be difficult for i [to-vb] | 15 |
|
| 4 | [pron] difficult for i [to-vb] | 6 |
|
