| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] not [verb] back | 26 |
|
| 2 | [was/were] not [vb pp] back | 12 |
|
| 3 | [was/were] not [v-ing] back | 12 |
|
| 4 | [was/were] not come back | 7 |
|
| 5 | [was/were] not coming back | 7 |
|
| 6 | [was/were] not [adv] back | 6 |
|
| 7 | [was/were] not [adv] back | 6 |
|
| 8 | [was/were] not yet back | 5 |
|
| 9 | [was/were] not go back | 5 |
|
| 10 | [was/were] not yet back | 5 |
|
