| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [verb] [to-vb] a good [noun sg] | 13 |
|
| 2 | is [verb] [to-vb] a good [noun] | 12 |
|
| 3 | [is] [vb pp] [to-vb] a good [noun] | 9 |
|
