| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [verb] [art] [noun sg] | 8264 |
|
| 2 | necessary [verb] [art] [noun sg] | 922 |
|
| 3 | was necessary [verb] [art] | 125 |
|
| 4 | was necessary [verb] [noun sg] | 20 |
|
