| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] | 3866 |
|
| 2 | is [adv] commonly [vb pp] | 75 |
|
| 3 | it is commonly [vb pp] | 70 |
|
| 4 | it is [adv] commonly | 14 |
|
