| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is it [adv] | 1252 |
|
| 2 | is [adv] [to-vb] | 1124 |
|
| 3 | it [adv] [to-vb] | 357 |
|
| 4 | is it [to-vb] | 94 |
|
