| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] necessary [verb] the | 612 |
|
| 2 | be necessary [verb] the | 612 |
|
| 3 | [be] necessary [to-vb] the | 610 |
|
| 4 | [is] necessary [verb] the | 302 |
|
| 5 | is necessary [verb] the | 292 |
|
| 6 | be necessary [verb] the | 164 |
|
| 7 | [be] necessary [verb] the | 164 |
|
| 8 | [was/were] necessary [verb] the | 97 |
|
| 9 | was necessary [verb] the | 88 |
|
| 10 | are necessary [verb] the | 30 |
|
| 11 | [am/are] necessary [verb] the | 30 |
|
| 12 | [be] necessary to consider the | 29 |
|
| 13 | [be] necessary consider the | 29 |
|
| 14 | [be] necessary examine the | 18 |
|
| 15 | [be] necessary to examine the | 18 |
|
| 16 | [been] necessary [verb] the | 17 |
|
| 17 | been necessary [verb] the | 17 |
|
| 18 | [be] necessary protect the | 15 |
|
| 19 | [be] necessary to protect the | 15 |
|
| 20 | [be] necessary make the | 14 |
|
| 21 | [be] necessary to make the | 14 |
|
| 22 | [be] necessary to understand the | 13 |
|
| 23 | [be] necessary understand the | 13 |
|
| 24 | [be] necessary to meet the | 11 |
|
| 25 | [be] necessary meet the | 11 |
|
| 26 | 's necessary [verb] the | 10 |
|
| 27 | [be] necessary to establish the | 9 |
|
| 28 | [be] necessary establish the | 9 |
|
| 29 | [be] necessary to use the | 9 |
|
| 30 | [be] necessary use the | 9 |
|
