| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we [was/were] [vb pp] [prep] | 845 |
|
| 2 | [was/were] [vb pp] back [prep] | 575 |
|
| 3 | we [was/were] back [prep] | 34 |
|
| 4 | we [was/were] [vb pp] back | 10 |
|
