| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back [prep] [art] [noun] when | 56 |
|
| 2 | [verb] back [prep] [art] [noun] when | 56 |
|
| 3 | [verb] [adv] [prep] a [noun] when | 48 |
|
| 4 | [verb] back [prep] a [noun] [adv] | 30 |
|
| 5 | [verb] [adv prt] [prep] a [noun] when | 28 |
|
| 6 | [verb] back [prep] a [noun] when | 9 |
|
| 7 | [verb] back [prep] a [noun] when | 7 |
|
