| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | again [coord] [verb] back [prep] | 15 |
|
| 2 | again and [verb] back [prep] | 15 |
|
| 3 | again and [verb] back [prep] | 15 |
|
| 4 | again [conj] [vb past] back [prep] | 8 |
|
