| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] back | 1514 |
|
| 2 | be coming back | 385 |
|
| 3 | be going back | 381 |
|
| 4 | was [v-ing] back | 346 |
|
| 5 | be [v-ing] back | 243 |
|
| 6 | 're [v-ing] back | 167 |
|
| 7 | were [v-ing] back | 153 |
|
| 8 | 's [v-ing] back | 152 |
|
| 9 | is [v-ing] back | 150 |
|
| 10 | 'm [v-ing] back | 135 |
|
| 11 | are [v-ing] back | 113 |
|
| 12 | be getting back | 76 |
|
| 13 | be holding back | 55 |
|
| 14 | been [v-ing] back | 42 |
|
| 15 | be looking back | 39 |
|
| 16 | be fighting back | 33 |
|
| 17 | be walking back | 30 |
|
| 18 | be cutting back | 29 |
|
| 19 | be heading back | 25 |
|
| 20 | be moving back | 21 |
|
| 21 | be driving back | 20 |
|
| 22 | be turning back | 18 |
|
| 23 | be flying back | 17 |
|
| 24 | be leaning back | 14 |
|
| 25 | be travelling back | 13 |
|
| 26 | am [v-ing] back | 13 |
|
| 27 | be sitting back | 11 |
|
| 28 | be reporting back | 11 |
|
| 29 | be running back | 11 |
|
| 30 | be lying back | 10 |
|
