| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] [verb] | 56341 |
|
| 2 | [is] [adv] [verb] | 43760 |
|
| 3 | [be] usually [verb] | 2518 |
|
| 4 | [is] usually [verb] | 1269 |
|
