| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when it become [adj] that [noun] | 9 |
|
| 2 | when it become [adj] that [noun] | 9 |
|
| 3 | when it became [adj] that [noun] | 8 |
|
| 4 | when it become [adj] that [noun prp] | 6 |
|
