| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] there at the time | 9 |
|
| 2 | [was/were] [not/n't] there at the | 8 |
|
| 3 | [was/were] [not/n't] at the time | 7 |
|
| 4 | [not/n't] there at the time | 6 |
|
