| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [subord] a [noun sg] | 2859 |
|
| 2 | [was/were] [det] a [noun sg] | 451 |
|
| 3 | [was/were] [det] [subord] a | 25 |
|
| 4 | [was/were] [subord] a [noun sg] | 20 |
|
