| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [is] necessary [to-vb] [det] | 86 |
|
| 2 | it [is] necessary [verb] [det] | 85 |
|
| 3 | [pers pn] [is] necessary [verb] [det] | 85 |
|
| 4 | it [is] necessary [verb] [det] | 85 |
|
| 5 | [pron] is necessary [verb] [det] | 81 |
|
| 6 | [pron] [is] necessary [verb] some | 24 |
|
| 7 | [pron] [is] necessary [verb] this | 14 |
|
| 8 | [pron] [is] necessary [verb] all | 9 |
|
| 9 | [pron] [is] necessary [verb] these | 9 |
|
| 10 | [pron] [is] necessary to have [det] | 7 |
|
| 11 | [pron] [is] necessary have [det] | 7 |
|
| 12 | [pron] [is] necessary to consider [det] | 6 |
|
| 13 | [pron] [is] necessary [verb] that | 6 |
|
| 14 | [pron] [is] necessary consider [det] | 6 |
|
| 15 | [pron] [is] necessary [verb] both | 5 |
|
| 16 | [pron] 's necessary [verb] [det] | 5 |
|
| 17 | [pron] [is] necessary [verb] each | 5 |
|
| 18 | [pron] [is] necessary [verb] such | 5 |
|
