| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is hard [to-vb] [det] [adj] [noun] | 9 |
|
| 2 | is hard [verb] [det] [adj] [noun] | 8 |
|
| 3 | is hard [verb] any [adj] [noun] | 7 |
|
| 4 | is hard [verb] [det] [adj] [noun sg] | 6 |
|
