| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back [verb] | 1443 |
|
| 2 | [verb] back [to-vb] | 1187 |
|
| 3 | [verb] [adv] to look | 597 |
|
| 4 | [verb] [adv prt] to look | 260 |
|
| 5 | [verb] back look | 53 |
|
| 6 | [verb] back to look | 38 |
|
