| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] back [prep] [art] | 1005 |
|
| 2 | [was/were] [to-vb] [prep] [art] | 1002 |
|
| 3 | [was/were] back [prep] [art] | 323 |
|
| 4 | [was/were] [to-vb] back [prep] | 41 |
|
| 5 | [was/were] [to-vb] back [art] | 5 |
|
