| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adj] for [pron] [to-vb] | 1078 |
|
| 2 | be necessary [prep] [pron] [to-vb] | 80 |
|
| 3 | be necessary for [pron] [verb] | 80 |
|
| 4 | [be] necessary for [pron] [to-vb] | 79 |
|
