| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] be obvious that | 34 |
|
| 2 | it [modal v] be obvious that | 34 |
|
| 3 | it should be obvious that | 13 |
|
| 4 | it should be obvious that | 13 |
|
| 5 | it will be obvious that | 10 |
|
| 6 | it will be obvious that | 10 |
|
| 7 | it must be obvious that | 8 |
|
| 8 | it must be obvious that | 8 |
|
