| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [to-vb] | 3033 |
|
| 2 | is [adv] important | 2600 |
|
| 3 | is important [to-vb] | 1698 |
|
| 4 | [adv] important [to-vb] | 699 |
|
