| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at [det] time | 143 |
|
| 2 | [not/n't] at [det] time | 52 |
|
| 3 | [vb past] [not/n't] at [det] | 50 |
|
| 4 | [vb past] [not/n't] [det] time | 9 |
|
