| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [to-vb] [pron] [prep] an | 9 |
|
| 2 | [was/were] [v-ing] [to-vb] [pron] [prep] an | 5 |
|
| 3 | [was/were] [to-vb] [pron] [prep] an [noun] | 6 |
|
| 4 | [was/were] [to-vb] [pron] [prep] an [noun sg] | 6 |
|
