| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [was/were] a [noun] | 22745 |
|
| 2 | [Wh pn] [be] a [noun] | 803 |
|
| 3 | [Wh pn] [was/were] [art] [noun] | 773 |
|
