| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back up the | 102 |
|
| 2 | [v-ing] [adv] up the | 50 |
|
| 3 | [v-ing] back [adv] the | 20 |
|
| 4 | [v-ing] back up [art] | 19 |
|
| 5 | [v-ing] back up [art] | 19 |
|
| 6 | [v-ing] back [adv prt] the | 19 |
|
| 7 | [v-ing] back up the | 18 |
|
| 8 | [v-ing] back up the | 18 |
|
