| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be usually [vb pp] | 178 |
|
| 2 | it [be] usually [vb pp] | 178 |
|
| 3 | it [is] usually [vb pp] | 161 |
|
| 4 | it is usually [vb pp] | 151 |
|
| 5 | it was usually [vb pp] | 15 |
|
| 6 | it [was/were] usually [vb pp] | 15 |
|
| 7 | it 's usually [vb pp] | 10 |
|
| 8 | it [be] usually assumed | 10 |
|
| 9 | it [be] usually expressed | 6 |
|
| 10 | it [be] usually taken | 6 |
|
| 11 | it [be] usually argued | 5 |
|
| 12 | it [be] usually referred | 5 |
|
| 13 | it [be] usually said | 5 |
|
