| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [not/n't] [adv] a | 1399 |
|
| 2 | [is] [not/n't] [adv] a | 1391 |
|
| 3 | [is] [not/n't] usually [art] | 33 |
|
| 4 | [is] [adv] usually a | 32 |
|
| 5 | [be] [not/n't] usually a | 30 |
|
| 6 | [is] [not/n't] usually a | 25 |
|
