| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be necessary if [art] | 47 |
|
| 2 | [be] necessary if [art] | 47 |
|
| 3 | [is] necessary if [art] | 16 |
|
| 4 | is necessary if [art] | 16 |
|
| 5 | [be] necessary if [art] | 13 |
|
| 6 | be necessary if [art] | 13 |
|
| 7 | [was/were] necessary if [art] | 10 |
|
| 8 | was necessary if [art] | 8 |
|
| 9 | [am/are] necessary if [art] | 5 |
|
| 10 | are necessary if [art] | 5 |
|
| 11 | necessary if [art] [noun] | 44 |
|
| 12 | necessary if [art] [noun sg] | 35 |
|
| 13 | necessary if [art] [adj] | 13 |
|
| 14 | necessary if [art] [adj] | 13 |
|
| 15 | necessary if [art] [noun pl] | 5 |
|
