| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [verb] [adj] [noun pl] | 211 |
|
| 2 | be necessary [verb] [adj] [noun pl] | 121 |
|
| 3 | [adv] necessary [verb] [adj] [noun pl] | 25 |
|
| 4 | [adv] be necessary [verb] [adj] | 17 |
|
| 5 | [adv] be necessary [verb] [noun pl] | 5 |
|
