| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it 's hard [to-vb] | 379 |
|
| 2 | it 's hard [to-vb] | 366 |
|
| 3 | it 's hard to believe | 41 |
|
| 4 | it 's hard to imagine | 30 |
|
| 5 | it 's hard to tell | 28 |
|
| 6 | it 's hard to see | 25 |
|
| 7 | it 's hard to explain | 22 |
|
| 8 | it 's hard to say | 21 |
|
| 9 | it 's hard to get | 18 |
|
| 10 | it 's hard to know | 15 |
|
| 11 | it 's harder [to-vb] | 13 |
|
| 12 | it 's hard to find | 13 |
|
| 13 | it 's hard to keep | 12 |
|
| 14 | it 's hard to think | 8 |
|
| 15 | it 's hard to understand | 8 |
|
| 16 | it 's hard to describe | 7 |
|
| 17 | it 's hard to beat | 6 |
|
