| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [not/n't] know at the [noun sg] | 6 |
|
| 2 | do [not/n't] know at the [noun sg] | 6 |
|
| 3 | do [not/n't] know at [art] [noun sg] | 6 |
|
| 4 | do n't know at [art] [noun sg] | 6 |
|
