| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] look [adv prt] | 2676 |
|
| 2 | [noun] look back | 319 |
|
| 3 | [noun] back [adv prt] | 229 |
|
| 4 | look back [adv prt] | 47 |
|
