| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | changes which [modal v] [verb] [noun sg] | 7 |
|
| 2 | changes which [vb mod] [verb] [noun sg] | 7 |
|
| 3 | changes which [modal v] [vb infin] [noun sg] | 7 |
|
