| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it become [adj] | 1495 |
|
| 2 | it become [adj] | 1385 |
|
| 3 | it [verb] obvious | 128 |
|
| 4 | it become obvious | 85 |
|
| 5 | [pron] become obvious | 85 |
|
