| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [to-vb] | 3033 |
|
| 2 | is [adv] [adj -er] | 2510 |
|
| 3 | [adv] [adj -er] [to-vb] | 1355 |
|
| 4 | is [adj -er] [to-vb] | 633 |
|
