| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] ensure [that] [adj] [noun pl] | 27 |
|
| 2 | [be] taken ensure [that] [adj] | 25 |
|
| 3 | taken ensure [that] [adj] [noun pl] | 12 |
|
| 4 | [be] taken ensure [that] [noun pl] | 7 |
|
