| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is important that [art] [adj] | 40 |
|
| 2 | is ensure that [art] [adj] | 20 |
|
| 3 | is important ensure that [art] | 17 |
|
| 4 | important ensure that [art] [adj] | 7 |
|
