| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] not necessary for him | 6 |
|
| 2 | it [be] not necessary for him | 6 |
|
| 3 | it be not necessary for him | 6 |
|
| 4 | it was not necessary for him | 5 |
|
| 5 | it [was/were] not necessary for him | 5 |
|
