| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | ensure [conj] [pers pn] [verb] what | 10 |
|
| 2 | ensure that [pers pn] [verb] what | 10 |
|
| 3 | ensure [that] [pers pn] [verb] what | 10 |
|
| 4 | ensure that [pers pn] [verb] what | 10 |
|
| 5 | to ensure [conj] [pers pn] [verb] what | 6 |
|
| 6 | ensure [conj] [pers pn] [vb base] what | 6 |
|
