| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [noun] ensure that [art] [noun sg] | 10 |
|
| 2 | this [noun sg] ensure that [art] [noun sg] | 9 |
|
| 3 | this [modal v] ensure that [art] [noun sg] | 6 |
|
| 4 | this [vb mod] ensure that [art] [noun sg] | 6 |
|
| 5 | this ensure that [art] [noun sg] [verb] | 5 |
|
| 6 | this ensure that [art] [noun sg] [vb -s] | 5 |
|
