| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [vb pp] | 35256 |
|
| 2 | be usually [vb pp] | 2396 |
|
| 3 | [be] usually [vb pp] | 2396 |
|
| 4 | is usually [verb] | 1230 |
|
| 5 | [is] usually [vb pp] | 1211 |
|
