| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [adv] a | 3268 |
|
| 2 | not [adv] a | 3244 |
|
| 3 | [adv] therefore a | 25 |
|
| 4 | not therefore [art] | 14 |
|
| 5 | not therefore a | 9 |
|
