| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can [adv] | 47646 |
|
| 2 | can [adv] | 25835 |
|
| 3 | [vb mod] usually | 1013 |
|
| 4 | [modal v] usually | 1013 |
|
| 5 | can usually | 281 |
|
| 6 | can usually | 281 |
|
