| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] to be [adj] | 2558 |
|
| 2 | [vb infin] to be [adj] | 2106 |
|
| 3 | [verb] to be necessary | 117 |
|
| 4 | [vb infin] [prep] be necessary | 18 |
|
| 5 | [vb infin] to be necessary | 18 |
|
| 6 | [vb infin] to [be] necessary | 18 |
|
| 7 | [vb infin] [prep] be necessary | 18 |
|
| 8 | [vb infin] to be necessary | 18 |
|
| 9 | [vb infin] to [be] necessary | 18 |
|
| 10 | [vb infin] to be necessary | 18 |
|
