| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] a [det] [noun] | 13 |
|
| 2 | be [prep] a [det] [noun] | 12 |
|
| 3 | be [prep] a few [noun] | 10 |
|
| 4 | be [prep] a [det] [noun pl] | 9 |
|
