| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [is] [adv] essential that | 55 |
|
| 2 | [pron] [is] [adv] that they | 51 |
|
| 3 | [pron] [is] essential that they | 11 |
|
| 4 | [is] [adv] essential that they | 5 |
|
