| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] [vb pp] a | 285 |
|
| 2 | [is] [adv] [vb pp] a | 248 |
|
| 3 | [is] usually [vb pp] [art] | 26 |
|
| 4 | [be] usually [vb pp] a | 13 |
|
| 5 | [is] usually [vb pp] a | 9 |
|
| 6 | [is] usually [verb] a | 9 |
|
