| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back up [art] [noun sg] [prep] | 29 |
|
| 2 | back up [art] [noun sg] [prep] | 29 |
|
| 3 | [adv] up [art] [noun sg] to | 20 |
|
| 4 | back [adv] [art] [noun sg] to | 8 |
|
| 5 | back up [art] [noun] to | 8 |
|
| 6 | back up [art] [noun sg] to | 7 |
|
