| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] be [v-ing] [pers pn] back [prep] | 10 |
|
| 2 | [noun sg] be [v-ing] [pron] back [prep] | 7 |
|
| 3 | [noun] was [v-ing] [pron] back [prep] | 7 |
|
| 4 | [noun] be [v-ing] [pron] back to | 5 |
|
