| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be necessary for [det] [noun] | 44 |
|
| 2 | [be] necessary for [det] [noun] | 44 |
|
| 3 | [be] necessary for [det] [noun] | 44 |
|
| 4 | [be] necessary for [det] [noun sg] | 29 |
|
| 5 | be necessary for [det] [noun] | 15 |
|
| 6 | [be] necessary for [det] [noun] | 15 |
|
| 7 | [be] necessary for [det] [noun pl] | 14 |
|
| 8 | is necessary for [det] [noun] | 14 |
|
| 9 | [is] necessary for [det] [noun] | 14 |
|
| 10 | [be] necessary for this [noun] | 11 |
|
| 11 | [be] necessary for [det] purpose | 10 |
|
| 12 | [be] necessary for [det] purpose | 10 |
|
| 13 | [be] necessary for that [noun] | 9 |
|
| 14 | [am/are] necessary for [det] [noun] | 7 |
|
| 15 | are necessary for [det] [noun] | 7 |
|
| 16 | [was/were] necessary for [det] [noun] | 7 |
|
| 17 | was necessary for [det] [noun] | 6 |
|
| 18 | [be] necessary for such [noun] | 5 |
|
| 19 | [be] necessary for any [noun] | 5 |
|
| 20 | [be] necessary for all [noun] | 5 |
|
