| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adj] that [det] [noun sg] | 279 |
|
| 2 | it [be] [adj] that [det] [noun sg] | 279 |
|
| 3 | it [be] essential that [det] [noun] | 40 |
|
| 4 | it [be] essential that [adj] [noun sg] | 28 |
|
| 5 | it [be] essential that [det] [noun sg] | 17 |
|
| 6 | it [be] essential [conj] [det] [noun sg] | 17 |
|
| 7 | [pron] [be] essential that [det] [noun sg] | 17 |
|
| 8 | it [be] essential that [det] [noun sg] | 17 |
|
| 9 | it [be] essential [that] [det] [noun sg] | 17 |
|
