| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adj -er] [verb] | 465 |
|
| 2 | it is often [verb] | 364 |
|
| 3 | it is often [adj -er] | 31 |
|
| 4 | is often [adj -er] [verb] | 24 |
|
