| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be hard for | 104 |
|
| 2 | it [is] hard for | 72 |
|
| 3 | it is hard for | 46 |
|
| 4 | it was hard for | 31 |
|
| 5 | it [was/were] hard for | 31 |
|
| 6 | it 's hard for | 26 |
|
