| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [to-vb] [prep] [noun] | 44 |
|
| 2 | back [verb] [prep] [noun prp] | 34 |
|
| 3 | back [verb] [prep] [noun sg] | 20 |
|
| 4 | back [verb] in [noun] | 19 |
|
| 5 | back [v-ing] [prep] [noun] | 12 |
|
| 6 | back [verb] at [noun] | 10 |
|
| 7 | back work [prep] [noun] | 9 |
|
| 8 | back to work [prep] [noun] | 8 |
|
| 9 | back [verb] for [noun] | 7 |
|
| 10 | back look [prep] [noun] | 6 |
|
| 11 | back [verb] on [noun] | 6 |
|
| 12 | back [verb] [prep] [noun pl] | 5 |
|
