| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adj] for us [verb] | 101 |
|
| 2 | [is] [adj] for us [verb] | 93 |
|
| 3 | [is] necessary for [pron] [verb] | 35 |
|
| 4 | [is] necessary for [pers pn] [verb] | 31 |
|
| 5 | [be] necessary for us [verb] | 12 |
|
| 6 | [is] necessary for us [verb] | 10 |
|
| 7 | [is] necessary [prep] us [verb] | 10 |
|
| 8 | [is] necessary for us [verb] | 10 |
|
| 9 | [is] necessary for we [verb] | 10 |
|
| 10 | [is] necessary [prep] us [verb] | 10 |
|
