| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [pron] a | 177 |
|
| 2 | [was/were] [v-ing] [pron] a | 138 |
|
| 3 | [be] offering [pron] a | 28 |
|
| 4 | [was/were] offering [pron] [art] | 16 |
|
| 5 | [was/were] offer [pron] a | 11 |
|
