| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be a [noun] [noun sg] | 1030 |
|
| 2 | [prep] be [art] [noun pl] [noun sg] | 33 |
|
| 3 | [prep] [be] a [noun pl] [noun sg] | 25 |
|
| 4 | [prep] be a [noun pl] [noun] | 25 |
|
