| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] is necessary [verb] [adj] [noun] | 9 |
|
| 2 | [subord] be necessary [verb] [adj] statements | 6 |
|
| 3 | [subord] is necessary [verb] [adj] [noun pl] | 6 |
|
| 4 | [subord] [be] necessary [verb] [adj] statements | 6 |
|
| 5 | [subord] is [adj] [verb] [adj] statements | 5 |
|
| 6 | [conj] is necessary [verb] [adj] statements | 5 |
|
| 7 | [subord] [is] necessary [verb] [adj] statements | 5 |
|
| 8 | [subord] is necessary [verb] [adj] statement | 5 |
|
