| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] at the time | 48 |
|
| 2 | not [verb] at the time | 48 |
|
| 3 | not [verb] at the time | 48 |
|
| 4 | not [vb pp] at the time | 29 |
|
| 5 | not [vb infin] at the time | 15 |
|
| 6 | not know at the time | 7 |
|
