| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [subord] it be often | 24 |
|
| 2 | [noun sg] [subord] it [be] often | 21 |
|
| 3 | [noun] [subord] it [is] often | 18 |
|
| 4 | [noun] [subord] it is often | 17 |
|
| 5 | [noun] as it [be] often | 12 |
|
| 6 | [noun] [subord] it [was/were] often | 6 |
|
| 7 | [noun] [subord] it was often | 6 |
|
| 8 | [noun] because it [be] often | 5 |
|
