| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] are [adv] a | 723 |
|
| 2 | [noun] are [adv] a | 564 |
|
| 3 | [noun] be usually a | 142 |
|
| 4 | [noun] [be] usually a | 142 |
|
| 5 | [noun] are usually [art] | 51 |
|
| 6 | [noun] [am/are] usually a | 9 |
|
| 7 | [noun] are usually a | 9 |
|
