| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be hard to believe that [num] | 6 |
|
| 2 | [is] hard to believe that [num] | 6 |
|
| 3 | [be] hard to believe that [num] | 6 |
|
| 4 | is hard to believe that [num] | 5 |
|
| 5 | hard to believe that [num] [noun] | 5 |
|
