| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] to be | 17502 |
|
| 2 | [adj] to be | 15347 |
|
| 3 | necessary to [be] | 70 |
|
| 4 | necessary to be | 70 |
|
| 5 | necessary [prep] be | 69 |
|
| 6 | necessary to [be] | 69 |
|
| 7 | necessary to be | 69 |
|
