| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] be [verb] is | 17 |
|
| 2 | a [noun sg] be [verb] [is] | 17 |
|
| 3 | a [noun] be [vb pp] [is] | 14 |
|
| 4 | a [noun] is [verb] [is] | 13 |
|
