| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [conj] it is [adv] [verb] | 25 |
|
| 2 | [to-vb] [conj] it is [adv] [vb pp] | 21 |
|
| 3 | [to-vb] [conj] it is [adv] [verb] | 17 |
|
| 4 | [to-vb] [that] it is [adv] [verb] | 16 |
|
| 5 | [to-vb] that it is [adv] [verb] | 16 |
|
| 6 | [to-vb] that it is [adv] [verb] | 16 |
|
| 7 | to ensure [conj] it is [adv] [verb] | 8 |
|
| 8 | [to-vb] [subord] it is [adv] [verb] | 8 |
|
| 9 | [to-vb] [conj] it is not [verb] | 8 |
|
| 10 | [to-vb] [conj] it is [not/n't] [verb] | 8 |
|
| 11 | [to-vb] [conj] it is not [verb] | 7 |
|
