| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is easy [to-vb] [coord] | 25 |
|
| 2 | it is easy [verb] and | 24 |
|
| 3 | it is easy to use [coord] | 6 |
|
| 4 | it is easy use [coord] | 6 |
|
