| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] ensure [that] [adj] [noun] | 57 |
|
| 2 | [is] [verb] [verb] [that] [adj] [noun] | 22 |
|
| 3 | [is] [verb] ensure [conj] [adj] [noun] | 9 |
|
