| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [vb pp] [prep] | 44871 |
|
| 2 | usually [vb pp] [prep] | 2318 |
|
| 3 | [am/are] usually [vb pp] | 862 |
|
| 4 | [am/are] usually [prep] | 113 |
|
