| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] a [noun] | 8981 |
|
| 2 | [to-vb] [prep] a [noun] | 8048 |
|
| 3 | be [to-vb] a [noun] | 2013 |
|
| 4 | be [to-vb] [prep] [noun] | 1353 |
|
| 5 | be [to-vb] [prep] a | 500 |
|
