| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back and forth [prep] [art] | 140 |
|
| 2 | back and forth [prep] [art] | 140 |
|
| 3 | back and forth [prep] a | 22 |
|
| 4 | back and [adv] [prep] a | 21 |
|
| 5 | back and [adv] [prep] a | 21 |
|
| 6 | back and forth [prep] a | 19 |
|
| 7 | back and forth [prep] a | 19 |
|
| 8 | [adv] and forth [prep] a | 19 |
|
| 9 | back [conj] forth [prep] a | 19 |
|
