| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is essential that | 58 |
|
| 2 | [conj] it is essential that | 58 |
|
| 3 | [coord] it is essential that | 34 |
|
| 4 | and it is essential that | 21 |
|
| 5 | and it is essential that | 21 |
|
| 6 | [subord] it is essential that | 14 |
|
| 7 | but it is essential that | 13 |
|
| 8 | but it is essential that | 13 |
|
| 9 | that it is essential that | 10 |
|
| 10 | that it is essential that | 10 |
|
| 11 | [that] it is essential that | 10 |
|
| 12 | so it is essential that | 5 |
|
| 13 | so it is essential that | 5 |
|
