| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] be required for | 43 |
|
| 2 | [conj] [is] required for | 30 |
|
| 3 | [conj] is required for | 30 |
|
| 4 | that [be] required for | 20 |
|
| 5 | [that] [be] required for | 20 |
|
| 6 | [subord] [be] required for | 20 |
|
| 7 | that [be] required for | 20 |
|
| 8 | than [be] required for | 11 |
|
| 9 | than [be] required for | 11 |
|
| 10 | as [be] required for | 9 |
|
| 11 | [conj] [am/are] required for | 9 |
|
| 12 | as [be] required for | 9 |
|
| 13 | [conj] are required for | 9 |
|
