| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adj] [prep] them [to-vb] | 118 |
|
| 2 | it [be] necessary [prep] [pron] [to-vb] | 48 |
|
| 3 | it [be] necessary [prep] [pers pn] [to-vb] | 44 |
|
| 4 | [pers pn] [be] necessary [prep] them [to-vb] | 5 |
|
| 5 | [pron] [be] necessary [prep] them [to-vb] | 5 |
|
| 6 | it [be] necessary [prep] them [to-vb] | 5 |
|
| 7 | it [be] necessary [prep] they [to-vb] | 5 |
|
| 8 | it [be] necessary [prep] them [verb] | 5 |
|
| 9 | it [be] necessary [prep] them [to-vb] | 5 |
|
