| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] a [noun] [be] | 3717 |
|
| 2 | [subord] a [noun] [was/were] | 880 |
|
| 3 | a [noun] [was/were] [be] | 92 |
|
| 4 | [subord] [noun] [was/were] [be] | 86 |
|
