| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be taken [to-vb] that [adj] | 10 |
|
| 2 | must be taken [verb] that [adj] | 10 |
|
| 3 | must be taken [verb] that [adj] | 10 |
|
| 4 | must be taken to ensure that [adj] | 9 |
|
| 5 | must be taken ensure that [adj] | 9 |
|
| 6 | must be taken [verb] that [det] | 7 |
|
