| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] a [adj] [noun] | 818 |
|
| 2 | be [prep] [art] [det] [noun] | 213 |
|
| 3 | [be] [prep] a [det] [noun] | 68 |
|
| 4 | be [prep] a [det] [noun] | 68 |
|
| 5 | [be] [prep] a [det] [noun] | 13 |
|
