| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [prep] a [noun] | 9868 |
|
| 2 | [to-vb] [prep] a [noun] | 9205 |
|
| 3 | [be] [to-vb] a [noun] | 2327 |
|
| 4 | [be] [to-vb] [prep] [noun] | 1353 |
|
| 5 | [be] [to-vb] [prep] a | 600 |
|
