| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have become the first | 60 |
|
| 2 | have become the first | 60 |
|
| 3 | have become the first | 59 |
|
| 4 | has become the first | 36 |
|
| 5 | have become the first | 10 |
|
| 6 | had become the first | 10 |
|
