| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [not/n't] [verb] | 4352 |
|
| 2 | why [adv] [verb] | 1052 |
|
| 3 | [Wh adv] [not/n't] [verb] | 956 |
|
| 4 | why [not/n't] [verb] | 909 |
|
