| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] back the | 21 |
|
| 2 | [was/were] [v-ing] back the | 7 |
|
| 3 | was [v-ing] back the | 6 |
|
| 4 | [am/are] [v-ing] back the | 5 |
|
| 5 | [is] [v-ing] back the | 5 |
|
