| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have become a [noun sg] | 25 |
|
| 2 | which have become a [noun] | 25 |
|
| 3 | which have become a [noun] | 24 |
|
| 4 | which has become a [noun] | 10 |
|
| 5 | which had become a [noun] | 9 |
|
| 6 | which have become a [noun] | 6 |
|
