| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | become [vb pp] [prep] a [noun] | 24 |
|
| 2 | become [verb] [prep] a [noun] | 23 |
|
| 3 | become [verb] [prep] a [noun sg] | 22 |
|
| 4 | become [verb] in a [noun] | 7 |
|
