| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [adv] a [noun sg] | 747 |
|
| 2 | are [adv] a [noun sg] | 574 |
|
| 3 | be usually a [noun sg] | 176 |
|
| 4 | [be] usually a [noun sg] | 176 |
|
| 5 | are usually [art] [noun sg] | 22 |
|
| 6 | are usually [art] [noun sg] | 22 |
|
| 7 | are usually a [noun sg] | 10 |
|
| 8 | [am/are] usually a [noun sg] | 8 |
|
| 9 | are usually a [noun sg] | 7 |
|
| 10 | are usually a [noun] | 7 |
|
