| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [prep] a | 20890 |
|
| 2 | [verb] [prep] a [num ord] | 1183 |
|
| 3 | [was/were] [verb] [prep] [num ord] | 299 |
|
| 4 | [was/were] [verb] a [num ord] | 50 |
|
| 5 | [was/were] [prep] a [num ord] | 16 |
|
