| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [verb] [prep] | 5452 |
|
| 2 | [pron] is refer [prep] | 78 |
|
| 3 | it be refer [prep] | 45 |
|
| 4 | it [be] refer [prep] | 45 |
|
| 5 | it [is] refer [prep] | 19 |
|
| 6 | it is refer [prep] | 17 |
|
