| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [to-vb] | 3033 |
|
| 2 | [adv] easy [to-vb] | 2217 |
|
| 3 | is [adv] easy | 1151 |
|
| 4 | is easy [to-vb] | 905 |
|
