| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as it is [adv] [verb] [prep] | 46 |
|
| 2 | as it is [adv] [verb] [prep] | 35 |
|
| 3 | [conj] it is often [verb] [prep] | 30 |
|
| 4 | [subord] it is often [verb] [prep] | 14 |
|
| 5 | as it is often [verb] [prep] | 6 |
|
| 6 | as it be often [verb] [prep] | 6 |
|
| 7 | as it is often [verb] [prep] | 6 |
|
| 8 | as it is often [verb] [prep] | 6 |
|
| 9 | as it [is] often [verb] [prep] | 6 |
|
| 10 | as it [be] often [verb] [prep] | 6 |
|
| 11 | as [pron] is often [verb] [prep] | 6 |
|
