| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [prep] [art] | 51414 |
|
| 2 | usually [prep] [art] | 631 |
|
| 3 | usually [vb -s] [prep] | 363 |
|
| 4 | usually [vb -s] [art] | 286 |
|
