| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not so [adj] | 3210 |
|
| 2 | not [adv] obvious | 104 |
|
| 3 | not [adv] obvious | 104 |
|
| 4 | [adv] so obvious | 36 |
|
| 5 | not so obvious | 25 |
|
