| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do not know at the moment | 5 |
|
| 2 | do [adv] know at the moment | 5 |
|
| 3 | do [not/n't] know at the moment | 5 |
|
| 4 | do n't know at the moment | 5 |
|
