| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] necessary for [art] | 63 |
|
| 2 | is [adv] necessary for the | 51 |
|
| 3 | is not necessary for [art] | 33 |
|
| 4 | is [not/n't] necessary for [art] | 33 |
|
| 5 | is not necessary for [art] | 31 |
|
| 6 | is [adv] necessary for [art] | 30 |
|
| 7 | is [adv] necessary for a | 8 |
|
