| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [verb] clear | 64 |
|
| 2 | it [was/were] [verb] clear | 64 |
|
| 3 | it was [verb] clear | 63 |
|
| 4 | it [was/were] made clear | 53 |
|
| 5 | it [was/were] [vb pp] clear | 53 |
|
| 6 | it [was/were] make clear | 53 |
|
| 7 | it [was/were] become clear | 11 |
|
| 8 | it [was/were] becoming clear | 11 |
|
| 9 | it [was/were] [v-ing] clear | 11 |
|
