| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do not [verb] at the time | 12 |
|
| 2 | do not [verb] at the time | 12 |
|
| 3 | do not [vb infin] at the time | 12 |
|
| 4 | did not [verb] at the time | 9 |
|
