| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is not [adv] [conj] | 109 |
|
| 2 | it is [adv] obvious [conj] | 56 |
|
| 3 | it is not [adv] obvious | 16 |
|
| 4 | it is not obvious [conj] | 14 |
|
| 5 | is not [adv] obvious [conj] | 12 |
|
