| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [not/n't] know i | 182 |
|
| 2 | do [not/n't] i do | 70 |
|
| 3 | do [not/n't] know do | 31 |
|
| 4 | [not/n't] know i do | 25 |
|
