| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [adv] a | 2910 |
|
| 2 | not [adv] a | 2886 |
|
| 3 | [adv] then a | 60 |
|
| 4 | not then [art] | 13 |
|
| 5 | [not/n't] then a | 7 |
|
| 6 | not then a | 7 |
|
| 7 | not then a | 7 |
|
