| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was back [prep] | 690 |
|
| 2 | [was/were] back in | 430 |
|
| 3 | were back [prep] | 196 |
|
| 4 | [was/were] back on | 118 |
|
| 5 | [was/were] back at | 117 |
|
| 6 | [was/were] back to | 109 |
|
| 7 | [was/were] back with | 44 |
|
| 8 | [was/were] back from | 13 |
|
| 9 | [was/were] back within | 9 |
|
| 10 | [was/were] back behind | 9 |
|
| 11 | [was/were] back into | 5 |
|
