| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | necessary if [noun] be to [be] | 6 |
|
| 2 | necessary [subord] [noun] be to [be] | 6 |
|
| 3 | necessary if [noun] be to [be] | 6 |
|
| 4 | necessary [conj] [noun] be to be | 6 |
|
