| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back up the [noun] | 93 |
|
| 2 | [vb past] back up the [noun] | 46 |
|
| 3 | look back up the [noun] | 6 |
|
| 4 | looked [adv] up the [noun] | 6 |
|
| 5 | looked back [adv] the [noun] | 6 |
|
| 6 | looked back up [art] [noun] | 5 |
|
| 7 | looked back up [art] [noun] | 5 |
|
| 8 | looked back up the [noun] | 5 |
|
