| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have become [adj] in [adj] years | 10 |
|
| 2 | [verb] become [adj] in [adj] years | 10 |
|
| 3 | [vb base] become [adj] in [adj] years | 7 |
|
| 4 | have become [adj] in [adj] years | 7 |
|
| 5 | become [adv] [adj] in [adj] years | 15 |
|
| 6 | become [adv] [adj] in [adj] years | 15 |
|
| 7 | become increasingly [adj] in [adj] years | 6 |
|
| 8 | become increasingly [adj] in [adj] years | 6 |
|
| 9 | become more [adj] in [adj] years | 5 |
|
| 10 | become more [adj] in [adj] years | 5 |
|
