| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] [adv] a | 2578 |
|
| 2 | [is] [adv] [adv] a | 1182 |
|
| 3 | [is] usually [adv] [art] | 20 |
|
| 4 | [is] usually [adv] a | 19 |
|
| 5 | [be] usually [adv] a | 19 |
|
| 6 | [is] usually [adv] a | 15 |
|
