| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | important [to-vb] at [adj] [noun sg] | 8 |
|
| 2 | important [to-vb] at [det] [noun] | 8 |
|
| 3 | important [to-vb] at this [noun] | 8 |
|
| 4 | important [to-vb] at this [noun] | 8 |
|
