| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] come back [prep] | 391 |
|
| 2 | keep [verb] back [prep] | 58 |
|
| 3 | keep come [adv] [prep] | 52 |
|
| 4 | keep come back [prep] | 29 |
|
