| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [not/n't] so hard | 5 |
|
| 2 | [conj] [not/n't] so hard | 5 |
|
| 3 | [conj] [not/n't] so hard | 5 |
|
| 4 | [conj] not so hard | 5 |
|
