| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [verb] back | 971 |
|
| 2 | they [vb past] back | 597 |
|
| 3 | [pron] looked back | 342 |
|
| 4 | they looked [adv] | 198 |
|
| 5 | they looked [adv prt] | 65 |
|
| 6 | they look back | 19 |
|
| 7 | they looked back | 12 |
|
