| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [is] not usually a | 7 |
|
| 2 | [det] [is] [not/n't] usually a | 7 |
|
| 3 | [det] [is] [adv] usually a | 7 |
|
| 4 | [det] [is] not usually a | 7 |
|
| 5 | [det] [is] usually a [adj] | 10 |
|
| 6 | [det] [is] usually a [adj] | 9 |
|
| 7 | [det] [is] usually a [noun] | 8 |
|
| 8 | [det] [is] usually a [noun sg] | 8 |
|
