| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] now been changed | 7 |
|
| 2 | has now [be] changed | 7 |
|
| 3 | [vb -s] now be changed | 7 |
|
| 4 | [vb -s] now [been] changed | 7 |
|
