| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] necessary [is] that | 9 |
|
| 2 | be necessary [is] that | 9 |
|
| 3 | [be] necessary [is] that | 9 |
|
| 4 | [be] necessary is that | 9 |
|
| 5 | [is] necessary [is] that | 8 |
|
| 6 | is necessary [is] that | 7 |
|
