| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [adj] [to-vb] [coord] | 44 |
|
| 2 | it is [adv] [adj] [to-vb] and | 40 |
|
| 3 | it is [adv] difficult [to-vb] [coord] | 6 |
|
| 4 | it is very [adj] [to-vb] [coord] | 6 |
|
| 5 | it is [adv] difficult [to-vb] [coord] | 6 |
|
| 6 | it is [adv] easy [to-vb] [coord] | 5 |
|
| 7 | it is [adv] easy [to-vb] [coord] | 5 |
|
