| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] [prep] | 1730 |
|
| 2 | it is [adv] [vb pp] [prep] | 1421 |
|
| 3 | [pron] is usually [vb pp] [prep] | 166 |
|
| 4 | it [be] usually [vb pp] [prep] | 97 |
|
| 5 | it be usually [vb pp] [prep] | 97 |
|
| 6 | it [is] usually [vb pp] [prep] | 90 |
|
| 7 | it is usually [vb pp] [prep] | 85 |
|
| 8 | it is usually [verb] [prep] | 85 |
|
| 9 | it is usually [vb pp] [prep] | 85 |
|
