| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] | 3866 |
|
| 2 | is [adv] be [vb pp] | 985 |
|
| 3 | it is be [vb pp] | 305 |
|
| 4 | it [adv] be [vb pp] | 123 |
|
| 5 | it is [adv] be | 100 |
|
