| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back and [adv] [verb] | 72 |
|
| 2 | back [coord] [adv] [vb base] | 24 |
|
| 3 | back [coord] forth [verb] | 21 |
|
| 4 | back [coord] then [verb] | 17 |
|
| 5 | back [coord] [adv] [vb past] | 16 |
|
| 6 | back [coord] [adv] [to-vb] | 14 |
|
| 7 | back [coord] [adv] [vb pp] | 8 |
|
| 8 | back [coord] [adv] [v-ing] | 8 |
|
| 9 | back [coord] [adv] have | 6 |
|
| 10 | back [coord] just [verb] | 6 |
|
| 11 | back [coord] [adv] [vb -s] | 6 |
|
| 12 | back [coord] [adv] keep | 5 |
|
