| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] now common [noun] | 7 |
|
| 2 | it be now common [noun] | 7 |
|
| 3 | it is now common [noun] | 7 |
|
| 4 | it [be] now common [noun sg] | 7 |
|
| 5 | it [be] now common practice | 6 |
|
| 6 | it [be] now common practice | 6 |
|
