| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] at the time | 102 |
|
| 2 | [was/were] [not/n't] at the | 56 |
|
| 3 | [was/were] [not/n't] the time | 43 |
|
| 4 | [not/n't] at the time | 35 |
|
