| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [vb pp] [verb] to | 48 |
|
| 2 | [pron] be [vb pp] refer to | 9 |
|
| 3 | it be [verb] refer to | 6 |
|
| 4 | it be [vb pp] refer to | 5 |
|
| 5 | it [be] [vb pp] refer to | 5 |
|
| 6 | it be [vb pp] refer [prep] | 5 |
|
| 7 | it be [vb pp] refer [prep] | 5 |
|
