| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv prt] of [art] back | 16 |
|
| 2 | [vb past] [adv prt] of [art] back | 9 |
|
| 3 | [adv prt] of [art] back [noun] | 29 |
|
| 4 | [adv prt] of [art] back [noun sg] | 29 |
|
| 5 | [adv prt] of [art] back door | 24 |
|
| 6 | [adv prt] of [art] back door | 24 |
|
