| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's [adv] a | 5983 |
|
| 2 | 's [adv] a | 4063 |
|
| 3 | be usually a | 413 |
|
| 4 | [be] usually a | 413 |
|
| 5 | [is] usually a | 318 |
|
| 6 | 's usually [art] | 83 |
|
| 7 | 's usually a | 54 |
|
