| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] [art] [noun sg] | 10709 |
|
| 2 | down [prep] [art] [noun sg] | 8614 |
|
| 3 | back down [prep] [art] | 84 |
|
| 4 | back down [prep] [noun sg] | 38 |
|
