| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [to-vb] that [adj] | 107 |
|
| 2 | is hard [to-vb] that | 78 |
|
| 3 | is hard [to-vb] [adj] | 72 |
|
| 4 | hard [to-vb] that [adj] | 46 |
|
