| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as is [verb] | 421 |
|
| 2 | as is [vb pp] | 382 |
|
| 3 | [conj] is required | 130 |
|
| 4 | [subord] is required | 58 |
|
| 5 | as [be] required | 52 |
|
| 6 | as be required | 52 |
|
| 7 | as is require | 33 |
|
| 8 | as is required | 33 |
|
| 9 | as [is] required | 33 |
|
