| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [to-vb] a [noun sg] | 1901 |
|
| 2 | [be] at a [noun sg] | 618 |
|
| 3 | [to-vb] at a [noun sg] | 314 |
|
| 4 | [be] [to-vb] at [noun sg] | 22 |
|
| 5 | [be] [to-vb] at a | 20 |
|
