| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] ensure that [adj] [noun pl] | 34 |
|
| 2 | [be] take ensure that [adj] [noun] | 18 |
|
| 3 | [be] take [verb] that [adj] [noun pl] | 15 |
|
| 4 | [be] take ensure [conj] [adj] [noun pl] | 12 |
|
