| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] hard as | 221 |
|
| 2 | as hard as | 212 |
|
| 3 | as hard as | 212 |
|
| 4 | so hard as | 6 |
|
| 5 | so hard as | 6 |
|
