| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is essential that [adj] [noun] | 58 |
|
| 2 | it is essential that [det] [noun] | 37 |
|
| 3 | it is essential that [adj] [noun pl] | 31 |
|
| 4 | it is essential that [adj] [noun sg] | 25 |
|
| 5 | it is essential that [adj] [noun] | 19 |
|
| 6 | it is essential that all [noun] | 12 |
|
| 7 | it is essential that all [noun] | 12 |
|
| 8 | it is essential that this [noun] | 8 |
|
| 9 | it is essential that this [noun] | 8 |
|
| 10 | it is essential that these [noun] | 5 |
|
| 11 | it is essential that these [noun] | 5 |
|
