| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [to-vb] at a [noun sg] | 10 |
|
| 2 | be [to-vb] at a [noun sg] | 10 |
|
| 3 | is [to-vb] at a [noun sg] | 6 |
|
| 4 | [is] [to-vb] at a [noun sg] | 6 |
|
