| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | become [adv] | 1202 |
|
| 2 | become [adv] | 1189 |
|
| 3 | [verb] progressively | 327 |
|
| 4 | become progressively | 133 |
|
| 5 | [vb infin] progressively | 17 |
|
| 6 | become progressively | 6 |
|
