| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it become [adj -er] | 54 |
|
| 2 | it becomes [adj -er] | 38 |
|
| 3 | it became [adj -er] | 14 |
|
| 4 | it become easier | 13 |
|
| 5 | it become clearer | 10 |
|
| 6 | it become harder | 6 |
|
