| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adj] [that] [adj] [adj] | 175 |
|
| 2 | it is [adj] [that] [adj] [adj] | 175 |
|
| 3 | it is essential [conj] [adj] [adj] | 6 |
|
| 4 | it be essential [that] [adj] [adj] | 6 |
|
| 5 | it [be] essential [that] [adj] [adj] | 6 |
|
| 6 | it is essential [that] [adj] [adj] | 6 |
|
| 7 | [pers pn] is essential [that] [adj] [adj] | 6 |
|
| 8 | it is essential [that] [adj] [adj] | 6 |
|
| 9 | [pron] is essential [that] [adj] [adj] | 6 |
|
| 10 | it [is] essential [that] [adj] [adj] | 6 |
|
