| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adj] [verb] that [adj] [noun] | 201 |
|
| 2 | [be] necessary [verb] that [adj] [noun] | 13 |
|
| 3 | be necessary [verb] that [adj] [noun] | 13 |
|
| 4 | is necessary [verb] [conj] [adj] [noun] | 11 |
|
| 5 | [is] necessary [verb] that [adj] [noun] | 8 |
|
| 6 | is necessary [verb] [that] [adj] [noun] | 8 |
|
| 7 | is necessary [verb] that [adj] [noun] | 8 |
|
