| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adj] for he [to-vb] | 34 |
|
| 2 | is [adj] for he [to-vb] | 32 |
|
| 3 | is necessary for [pron] [to-vb] | 29 |
|
| 4 | [be] necessary for he [to-vb] | 12 |
|
| 5 | be necessary for he [to-vb] | 12 |
|
| 6 | is necessary for he [verb] | 5 |
|
| 7 | [is] necessary for he [to-vb] | 5 |
|
| 8 | is necessary [prep] he [to-vb] | 5 |
|
| 9 | is necessary for he [to-vb] | 5 |
|
| 10 | is necessary [prep] he [to-vb] | 5 |
|
| 11 | is necessary for he [to-vb] | 5 |
|
