| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't [vb infin] at the time | 25 |
|
| 2 | n't [vb infin] at [art] time | 25 |
|
| 3 | n't [vb infin] at the time | 25 |
|
| 4 | n't know at [art] time | 12 |
|
