| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [prep] [verb] | 318 |
|
| 2 | it is [adv] [verb] [subord] | 71 |
|
| 3 | it is [adv] [prep] [subord] | 36 |
|
| 4 | it is [prep] [verb] [subord] | 23 |
|
| 5 | is [adv] [prep] [verb] [subord] | 16 |
|
