| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had become [art] | 883 |
|
| 2 | [vb past] become [art] | 883 |
|
| 3 | [vb past] become a | 663 |
|
| 4 | [vb past] become a | 552 |
|
| 5 | [vb past] become the | 217 |
|
| 6 | [vb past] become the | 217 |
|
| 7 | [vb past] become an | 111 |
|
