| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] become the first [adj] | 43 |
|
| 2 | [noun prp] became the first [adj] | 38 |
|
| 3 | [noun prp] become the first black | 8 |
|
| 4 | [noun prp] become the first black | 8 |
|
