| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back up the [noun] | 117 |
|
| 2 | back up the [noun sg] | 87 |
|
| 3 | back up the [noun pl] | 24 |
|
| 4 | back up the stairs | 15 |
|
| 5 | back up the stairs | 15 |
|
| 6 | back up the slope | 11 |
|
| 7 | back up the hill | 11 |
|
| 8 | back up the slope | 11 |
|
| 9 | back up the hill | 10 |
|
| 10 | back up the [noun prp] | 6 |
|
| 11 | back up the steps | 6 |
|
| 12 | back up the step | 6 |
|
| 13 | back up the street | 5 |
|
| 14 | back up the street | 5 |
|
| 15 | back up the bank | 5 |
|
| 16 | back up the bank | 5 |
|
