| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] that it is [adj] [to-vb] | 389 |
|
| 2 | [verb] that it is [adj] [to-vb] | 363 |
|
| 3 | [verb] that it be necessary [to-vb] | 51 |
|
| 4 | [verb] that it [be] necessary [to-vb] | 51 |
|
| 5 | [verb] [conj] it is necessary [to-vb] | 39 |
|
| 6 | [verb] that it [is] necessary [to-vb] | 28 |
|
| 7 | [verb] that it is necessary [verb] | 26 |
|
| 8 | [verb] that it is necessary [to-vb] | 26 |
|
| 9 | [verb] that [pron] is necessary [to-vb] | 26 |
|
| 10 | [verb] [that] it is necessary [to-vb] | 26 |
|
| 11 | [verb] that it is necessary [to-vb] | 26 |
|
