| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is hard for [pron] | 18 |
|
| 2 | it is hard for [pers pn] | 17 |
|
| 3 | it is hard for us | 9 |
|
| 4 | it is hard for we | 9 |
|
| 5 | it is hard for them | 6 |
|
| 6 | it is hard for they | 6 |
|
