| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] [verb] a | 1338 |
|
| 2 | [is] [adv] [verb] a | 1053 |
|
| 3 | [is] usually [verb] [art] | 32 |
|
| 4 | [be] usually [verb] a | 15 |
|
| 5 | [is] usually [verb] a | 9 |
|
