| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] a [noun sg] | 733 |
|
| 2 | [modal v] become a | 723 |
|
| 3 | become a [noun sg] | 556 |
|
| 4 | [modal v] become [noun sg] | 215 |
|
