| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it 's [adv] hard [to-vb] | 110 |
|
| 2 | [conj] it 's hard [to-vb] | 73 |
|
| 3 | [conj] it 's [adv] hard | 34 |
|
| 4 | [conj] it 's [adv] [to-vb] | 18 |
|
