| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [adv] a | 3528 |
|
| 2 | [am/are] [adv] a | 2156 |
|
| 3 | [be] usually a | 413 |
|
| 4 | [am/are] usually [art] | 95 |
|
| 5 | [am/are] usually a | 23 |
|
