| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's hard [to-vb] | 399 |
|
| 2 | hard [to-vb] [noun] | 269 |
|
| 3 | 's hard [noun] | 63 |
|
| 4 | 's [to-vb] [noun] | 54 |
|
