| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] clear | 2642 |
|
| 2 | it be clear | 2642 |
|
| 3 | it [be] clear | 2641 |
|
| 4 | it [is] clear | 1905 |
|
| 5 | it is clear | 1773 |
|
| 6 | it [was/were] clear | 733 |
|
| 7 | it was clear | 732 |
|
| 8 | it 's clear | 132 |
|
