| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] be [adj] [to-vb] [conj] | 560 |
|
| 2 | it [vb mod] be [adj] [verb] [conj] | 560 |
|
| 3 | [pron] [vb mod] be [adj] to ensure [conj] | 22 |
|
| 4 | [pers pn] [vb mod] be [adj] to ensure [conj] | 22 |
|
| 5 | it [vb mod] [be] [adj] to ensure [conj] | 16 |
|
| 6 | it [vb mod] be [adj] to ensure [conj] | 16 |
|
| 7 | it [vb mod] be [adj] ensure [conj] | 16 |
|
| 8 | it [vb mod] be [adj] to ensure [conj] | 16 |
|
| 9 | it [modal v] be [adj] to ensure [conj] | 16 |
|
| 10 | it [vb mod] be [adj] to ensure [conj] | 16 |
|
| 11 | it [vb mod] [be] [adj] to ensure [conj] | 16 |
|
