| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [not/n't] [verb] at the time | 30 |
|
| 2 | [be] [not/n't] [vb pp] at the time | 25 |
|
| 3 | [be] not [verb] at the time | 23 |
|
| 4 | [was/were] [not/n't] [verb] at the time | 23 |
|
| 5 | was [not/n't] [verb] at the time | 17 |
|
| 6 | [be] n't [verb] at the time | 7 |
|
| 7 | were [not/n't] [verb] at the time | 6 |
|
| 8 | [be] [not/n't] [v-ing] at the time | 5 |
|
