| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is [adj] that a | 372 |
|
| 2 | [pron] is [adj] that a | 369 |
|
| 3 | [pron] is essential that [art] | 112 |
|
| 4 | [pron] be essential that a | 18 |
|
| 5 | [pron] [be] essential that a | 18 |
|
| 6 | [pron] is essential [conj] a | 18 |
|
| 7 | [pron] [is] essential that a | 17 |
|
| 8 | [pron] is essential that a | 17 |
|
