| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | necessary [conj] [art] [noun sg] is | 26 |
|
| 2 | necessary [subord] [art] [noun sg] is | 24 |
|
| 3 | necessary [conj] the [noun sg] is | 22 |
|
| 4 | necessary [conj] the [noun sg] is | 22 |
|
| 5 | necessary if [art] [noun sg] is | 15 |
|
| 6 | necessary if [art] [noun sg] is | 15 |
|
