| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] was [v-ing] [pron] back [prep] | 7 |
|
| 2 | [noun] [was/were] [v-ing] [pers pn] back [prep] | 7 |
|
| 3 | [noun sg] [was/were] [v-ing] [pron] back [prep] | 6 |
|
