| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [pron] [prep] the back | 6 |
|
| 2 | [was/were] [v-ing] [pron] [prep] the back | 6 |
|
| 3 | [was/were] [verb] [pron] [prep] the back | 6 |
|
| 4 | was [verb] [pron] [prep] the back | 5 |
|
| 5 | [was/were] [verb] [pers pn] [prep] the back | 5 |
|
