| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] back [art] | 17 |
|
| 2 | [be] [vb pp] back [art] | 10 |
|
| 3 | [be] [verb] back a | 8 |
|
| 4 | [be] [verb] back the | 7 |
|
| 5 | [be] [v-ing] back [art] | 6 |
|
