| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] n't [verb] at the time | 22 |
|
| 2 | [vb past] n't [verb] at the time | 22 |
|
| 3 | did n't [verb] at the time | 20 |
|
| 4 | [vb past] n't [vb infin] at the time | 20 |
|
| 5 | [vb past] n't know at the time | 10 |
|
| 6 | [vb past] n't know at the time | 10 |
|
| 7 | [vb past] n't realise at the time | 5 |
|
