| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adj] [subord] [art] [noun sg] | 2409 |
|
| 2 | be necessary [conj] [art] [noun sg] | 79 |
|
| 3 | be necessary [subord] [art] [noun] | 72 |
|
| 4 | be necessary [subord] [art] [noun sg] | 62 |
|
| 5 | [be] necessary [subord] [art] [noun sg] | 62 |
|
