| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is clear that [prep] a [noun] | 6 |
|
| 2 | is clear that [prep] a [noun sg] | 6 |
|
| 3 | is clear that [prep] a [noun] | 6 |
|
| 4 | is clear that [prep] a [noun] | 6 |
|
