| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back down [art] [noun] | 171 |
|
| 2 | [vb infin] back [art] [noun] | 127 |
|
| 3 | [vb infin] down [art] [noun] | 96 |
|
| 4 | [vb infin] back down [art] | 6 |
|
