| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be necessary [to-vb] [adj] [noun pl] | 121 |
|
| 2 | be [to-vb] that [adj] [noun pl] | 47 |
|
| 3 | be necessary [to-vb] that [adj] | 20 |
|
| 4 | necessary [to-vb] that [adj] [noun pl] | 12 |
|
| 5 | be necessary [to-vb] that [noun pl] | 6 |
|
