| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [to-vb] [prep] the [adj] | 20 |
|
| 2 | back [to-vb] [prep] the [adj] | 11 |
|
| 3 | back [to-vb] in the [adj] | 7 |
|
| 4 | back [to-vb] in the [adj] | 7 |
|
| 5 | back [to-vb] [prep] the [num ord] | 6 |
|
| 6 | back to work [prep] the [adj] | 6 |
|
