| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is clear that [prep] | 80 |
|
| 2 | is that [prep] a | 78 |
|
| 3 | is clear that a | 44 |
|
| 4 | clear that [prep] a | 14 |
|
| 5 | is clear [prep] a | 10 |
|
