| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back [prep] if | 29 |
|
| 2 | [verb] back as [subord] | 18 |
|
| 3 | [verb] back on [subord] | 11 |
|
| 4 | [to-vb] back [prep] [subord] | 11 |
|
| 5 | [vb past] back [prep] [subord] | 9 |
|
| 6 | [v-ing] back [prep] [subord] | 8 |
|
| 7 | fall back [prep] [subord] | 7 |
|
| 8 | [verb] back to [subord] | 6 |
|
| 9 | [verb] back in [subord] | 6 |
|
| 10 | to fall back [prep] [subord] | 5 |
|
| 11 | [vb base] back [prep] [subord] | 5 |
|
