| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [vb infin] at the time | 40 |
|
| 2 | [vb infin] at the time of | 12 |
|
| 3 | [not/n't] at the time of | 11 |
|
| 4 | [not/n't] [vb infin] the time of | 6 |
|
