| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] that [adj] [noun pl] | 1001 |
|
| 2 | be necessary [verb] [adj] [noun pl] | 121 |
|
| 3 | be necessary [verb] that [adj] | 21 |
|
| 4 | necessary [verb] that [adj] [noun pl] | 12 |
|
| 5 | be necessary [verb] that [noun pl] | 6 |
|
