| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it is [adv] [adj -er] [verb] | 15 |
|
| 2 | [subord] it is [adv] [adj -er] [to-vb] | 15 |
|
| 3 | [subord] it is [adv] easier [verb] | 11 |
|
| 4 | because it is [adv] [adj -er] [verb] | 5 |
|
