| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] also be [verb] | 4113 |
|
| 2 | [vb mod] be necessary [verb] | 542 |
|
| 3 | [vb mod] also be necessary | 38 |
|
| 4 | also be necessary [verb] | 24 |
|
