| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [to-vb] [adv prt] [prep] a | 15 |
|
| 2 | was [to-vb] [adv prt] [prep] a | 8 |
|
| 3 | were [to-vb] [adv prt] [prep] a | 7 |
|
