| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it [be] common [noun sg] | 10 |
|
| 2 | [subord] it be common [noun] | 10 |
|
| 3 | [subord] it [be] common knowledge | 7 |
|
| 4 | [subord] it [be] common knowledge | 7 |
|
| 5 | [subord] it [is] common [noun] | 7 |
|
| 6 | [subord] it is common [noun] | 6 |
|
