| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] and [verb] | 54 |
|
| 2 | back [prep] and [verb] | 54 |
|
| 3 | [adv] on and [verb] | 21 |
|
| 4 | [adv prt] on and [verb] | 20 |
|
| 5 | back on [conj] [verb] | 17 |
|
| 6 | back on [coord] [verb] | 16 |
|
| 7 | back on and [verb] | 16 |
|
| 8 | back on and [verb] | 16 |
|
| 9 | back on and [verb] | 16 |
|
