| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [be] imperative that [pers pn] do | 5 |
|
| 2 | it [be] imperative [that] [pers pn] do | 5 |
|
| 3 | [pers pn] [is] imperative [that] [pers pn] do | 5 |
|
| 4 | [pers pn] be imperative [that] [pers pn] do | 5 |
|
