| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [conj] [prep] a | 109 |
|
| 2 | is clear [conj] [prep] | 82 |
|
| 3 | is clear [conj] a | 57 |
|
| 4 | clear [conj] [prep] a | 16 |
|
| 5 | is clear [prep] a | 12 |
|
