| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] remember [art] time | 7 |
|
| 2 | could [not/n't] remember a time | 7 |
|
| 3 | could [not/n't] remember a time | 7 |
|
| 4 | could [not/n't] remember [art] time | 7 |
|
| 5 | could not remember [art] time | 5 |
|
