| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] we do [not/n't] know | 8 |
|
| 2 | [is] we do [not/n't] know | 8 |
|
| 3 | is we do [not/n't] know | 7 |
|
| 4 | [is] we do n't know | 5 |
|
