| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] [adj] to do | 141 |
|
| 2 | it be [adv] [adj] to do | 141 |
|
| 3 | it [is] [adv] [adj] to do | 110 |
|
| 4 | it is [adv] [adj] to do | 61 |
|
| 5 | it 's [adv] [adj] to do | 49 |
|
| 6 | it [was/were] [adv] [adj] to do | 31 |
|
| 7 | it was [adv] [adj] to do | 31 |
|
| 8 | it [be] too [adj] to do | 28 |
|
| 9 | it [be] [adv] easy to do | 28 |
|
| 10 | it [be] very [adj] to do | 28 |
|
| 11 | it [be] [adv] late to do | 24 |
|
| 12 | it [be] [adv] difficult to do | 14 |
|
| 13 | it [be] quite [adj] to do | 12 |
|
| 14 | it [be] [adv] possible to do | 11 |
|
| 15 | it [be] so [adj] to do | 7 |
|
| 16 | it [be] [adv] hard to do | 7 |
|
| 17 | it [be] also [adj] to do | 5 |
|
| 18 | it [be] [adv] necessary to do | 5 |
|
| 19 | it [be] [adv] impossible to do | 5 |
|
