| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [not/n't] [verb] [pers pn] [verb] | 5346 |
|
| 2 | do [not/n't] know [pron] [verb] | 1355 |
|
| 3 | [verb] [not/n't] know [pers pn] [verb] | 447 |
|
| 4 | do [adv] know [pers pn] [verb] | 430 |
|
