| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] become the first | 14 |
|
| 2 | [vb base] become [art] first | 14 |
|
| 3 | [vb base] become the first | 14 |
|
| 4 | [vb base] become [art] first | 10 |
|
| 5 | have become [art] first | 10 |
|
