| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] to be clear [conj] | 8 |
|
| 2 | [vb base] to be clear [conj] | 8 |
|
| 3 | [vb base] to [be] clear [conj] | 8 |
|
| 4 | need to [be] clear [conj] | 5 |
|
