| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was necessary [verb] [art] [noun sg] | 65 |
|
| 2 | was necessary [to-vb] [art] [noun sg] | 65 |
|
| 3 | was necessary [verb] [art] [noun sg] | 65 |
|
| 4 | was necessary [verb] the [noun sg] | 50 |
|
| 5 | was necessary [verb] the [noun sg] | 50 |
|
| 6 | was necessary [verb] a [noun sg] | 15 |
|
| 7 | was necessary [verb] a [noun sg] | 10 |
|
| 8 | was necessary [verb] an [noun sg] | 5 |
|
