| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] once but [det] time | 10 |
|
| 2 | [not/n't] once but [det] time | 8 |
|
| 3 | not once but [det] time | 8 |
|
| 4 | not once but [det] time | 8 |
|
