| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [to-vb] at a [noun sg] | 10 |
|
| 2 | is [adj] [to-vb] at a [noun sg] | 8 |
|
| 3 | is [adj] [to-vb] at a [noun sg] | 8 |
|
| 4 | is [vb pp] [to-vb] at a [noun sg] | 7 |
|
