| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is [verb] that | 4086 |
|
| 2 | [pron] is necessary [verb] | 1085 |
|
| 3 | is necessary [verb] that | 51 |
|
| 4 | [pron] is necessary that | 41 |
|
| 5 | [pron] necessary [verb] that | 9 |
|
