| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adj] if [art] | 685 |
|
| 2 | be necessary [conj] [art] | 143 |
|
| 3 | be necessary [subord] [art] | 105 |
|
| 4 | be necessary if [art] | 47 |
|
| 5 | [be] necessary if [art] | 47 |
|
| 6 | be necessary if [art] | 47 |
|
