| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [art] [noun sg] is [vb pp] | 1096 |
|
| 2 | to ensure that [art] [noun sg] is | 150 |
|
| 3 | to ensure that [noun sg] is [vb pp] | 30 |
|
| 4 | to ensure that [art] [noun sg] [vb pp] | 21 |
|
| 5 | to ensure [art] [noun sg] is [vb pp] | 6 |
|
