| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is necessary for [pron] | 38 |
|
| 2 | it is necessary for [pron] | 33 |
|
| 3 | it is necessary for [pron] | 33 |
|
| 4 | [pers pn] is necessary for [pron] | 33 |
|
| 5 | [Wh det] is necessary for [pron] | 5 |
|
| 6 | is [adv] necessary for [pron] | 21 |
|
| 7 | is not necessary for [pron] | 13 |
|
| 8 | is [not/n't] necessary for [pron] | 13 |
|
| 9 | is not necessary for [pron] | 10 |
|
| 10 | is [adv] necessary for [pron] | 8 |
|
| 11 | is necessary for [pron] [verb] | 29 |
|
| 12 | is necessary for [pron] [to-vb] | 29 |
|
| 13 | is necessary for [pron] [noun sg] | 5 |
|
| 14 | is necessary for [pron] [noun] | 5 |
|
