| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is important [to-vb] [art] [noun sg] | 166 |
|
| 2 | is [to-vb] at [art] [noun sg] | 52 |
|
| 3 | is important [to-vb] at [art] | 17 |
|
| 4 | important [to-vb] at [art] [noun sg] | 12 |
|
