| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be require to [be] | 134 |
|
| 2 | be require to be | 134 |
|
| 3 | be require to be | 134 |
|
| 4 | be required to [be] | 133 |
|
| 5 | is require to [be] | 40 |
|
| 6 | are require to [be] | 34 |
|
| 7 | be require to [be] | 26 |
|
| 8 | were require to [be] | 17 |
|
| 9 | was require to [be] | 13 |
|
