| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] required is that | 15 |
|
| 2 | be required is that | 15 |
|
| 3 | [be] required is that | 15 |
|
| 4 | is required is that | 15 |
|
| 5 | required is that [art] | 10 |
|
| 6 | required is that [art] | 10 |
|
| 7 | required is that the | 9 |
|
| 8 | required is that the | 9 |
|
