| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adj] [verb] | 27823 |
|
| 2 | be [adj] [verb] | 26629 |
|
| 3 | [be] necessary [verb] | 2689 |
|
| 4 | be necessary [verb] | 2688 |
|
| 5 | [be] necessary [verb] | 719 |
|
| 6 | be necessary [verb] | 719 |
|
