| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] a [noun] | 37810 |
|
| 2 | [Wh pn] [was/were] [noun] | 752 |
|
| 3 | [Wh pn] [was/were] a | 738 |
|
| 4 | [Wh pn] a [noun] | 140 |
|
