| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [is] [adv] a | 295 |
|
| 2 | [verb] [is] [adv] a | 173 |
|
| 3 | [verb] [is] usually [art] | 11 |
|
| 4 | [verb] [is] usually a | 5 |
|
| 5 | [verb] [be] usually a | 5 |
|
