| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [adv prt] by the [noun] | 30 |
|
| 2 | back up by the [noun] | 30 |
|
| 3 | back [adv prt] by the [noun sg] | 22 |
|
| 4 | backed [adv prt] by the [noun] | 18 |
|
| 5 | backed [adv prt] by the [noun] | 12 |
|
| 6 | back [adv prt] by the [noun pl] | 6 |
|
