| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [det] [prep] a [noun] [conj] | 154 |
|
| 2 | [was/were] [adj] [prep] a [noun] [conj] | 148 |
|
| 3 | [was/were] [det] [prep] [art] [noun] [conj] | 81 |
|
