| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be clear that a | 68 |
|
| 2 | it is clear that a | 56 |
|
| 3 | it be clear that a | 54 |
|
| 4 | it be clear that an | 14 |
|
| 5 | it was clear that a | 10 |
|
