| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] have returned to | 9 |
|
| 2 | [adv] have returned [prep] | 8 |
|
| 3 | [adv] have returned [prep] | 7 |
|
| 4 | not have returned [prep] | 5 |
|
| 5 | [not/n't] have returned [prep] | 5 |
|
