| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back [adv] | 4196 |
|
| 2 | [vb past] back [adv] | 1301 |
|
| 3 | looked [adv] [adv] | 1005 |
|
| 4 | looked [adv prt] [adv] | 499 |
|
| 5 | look back [adv] | 150 |
|
| 6 | looked back [adv] | 57 |
|
