| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [art] [noun sg] [prep] [pron] [to-vb] | 389 |
|
| 2 | [be] a [noun sg] [prep] [pron] [verb] | 302 |
|
| 3 | [be] a [noun] [prep] [pron] [to-vb] | 136 |
|
