| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it 's [adv] [adj] [to-vb] [subord] | 28 |
|
| 2 | it 's [adv] [adj] [verb] [subord] | 24 |
|
| 3 | it 's very [adj] [verb] [subord] | 9 |
|
| 4 | it 's [adv] difficult [verb] [subord] | 9 |
|
| 5 | it 's [adv] difficult [verb] [subord] | 9 |
|
| 6 | it 's [adv] [adj] [verb] whether | 8 |
|
| 7 | it 's [adv] [adj] to say [subord] | 5 |
|
| 8 | it 's [adv] [adj] say [subord] | 5 |
|
