| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they were [verb] [pers pn] [prep] a | 9 |
|
| 2 | they were [v-ing] [pron] [prep] a | 9 |
|
| 3 | they were [verb] it [prep] a | 5 |
|
| 4 | they were [verb] it [prep] a | 5 |
|
