| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [conj] [adv] | 4539 |
|
| 2 | be [to-vb] [conj] [adv] | 50 |
|
| 3 | be to ensure [conj] [adv] | 7 |
|
| 4 | be ensure [conj] [adv] | 6 |
|
| 5 | [be] to ensure [conj] [adv] | 5 |
|
