| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [not/n't] [vb infin] [adv] | 9627 |
|
| 2 | do [not/n't] [vb infin] how | 1630 |
|
| 3 | [not/n't] [vb infin] how [adv] | 284 |
|
