| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i can [not/n't] remember when i | 5 |
|
| 2 | i can [adv] remember when i | 5 |
|
| 3 | i can not remember when i | 5 |
|
| 4 | i can n't remember when i | 5 |
|
