| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] usually a | 30 |
|
| 2 | [is] [adv] usually a | 29 |
|
| 3 | [is] [not/n't] usually a | 25 |
|
| 4 | [is] not usually a | 25 |
|
| 5 | [is] not usually a | 24 |
|
| 6 | [is] [adv] usually a | 7 |
|
