| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [verb] back to | 419 |
|
| 2 | [noun pl] look [adv] to | 61 |
|
| 3 | [noun] look back to | 28 |
|
| 4 | [noun pl] look back [prep] | 23 |
|
| 5 | [noun pl] look [adv prt] to | 20 |
|
| 6 | [noun pl] look back to | 5 |
|
