| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] back | 243 |
|
| 2 | be coming back | 85 |
|
| 3 | be going back | 49 |
|
| 4 | be getting back | 32 |
|
| 5 | be looking back | 11 |
|
| 6 | be reporting back | 10 |
|
| 7 | be travelling back | 7 |
|
