| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] referred | 44 |
|
| 2 | it be referred | 44 |
|
| 3 | it [is] referred | 18 |
|
| 4 | it is referred | 17 |
|
| 5 | it was referred | 14 |
|
| 6 | it [was/were] referred | 14 |
|
| 7 | it [am/are] referred | 10 |
|
| 8 | it be referred | 9 |
|
