| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [adj] [verb] that | 505 |
|
| 2 | is [adv] necessary [verb] that | 25 |
|
| 3 | is [adv] necessary [verb] [conj] | 19 |
|
| 4 | [be] [adv] necessary [verb] that | 13 |
|
| 5 | is [adv] necessary [verb] that | 13 |
|
| 6 | be [adv] necessary [verb] that | 13 |
|
| 7 | is [adv] necessary [verb] [that] | 13 |
|
| 8 | [is] [adv] necessary [verb] that | 13 |
|
