| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [not/n't] [verb] [adj] [noun pl] | 198 |
|
| 2 | be necessary [verb] [adj] [noun pl] | 121 |
|
| 3 | be [not/n't] necessary [verb] [adj] | 41 |
|
| 4 | [not/n't] necessary [verb] [adj] [noun pl] | 5 |
|
| 5 | be [not/n't] necessary [verb] [noun pl] | 5 |
|
