| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it 's difficult for [pron] | 21 |
|
| 2 | it 's difficult for [pers pn] | 18 |
|
| 3 | it 's difficult for you | 6 |
|
| 4 | it 's difficult for i | 6 |
|
| 5 | it 's difficult for me | 6 |
|
| 6 | it 's difficult for you | 6 |
|
