| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is important [to-vb] [art] | 321 |
|
| 2 | is [to-vb] at [art] | 91 |
|
| 3 | is important [to-vb] at | 36 |
|
| 4 | important [to-vb] at [art] | 24 |
|
| 5 | is important at [art] | 5 |
|
