| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] [be] | 12578 |
|
| 2 | be often [vb pp] [prep] | 2224 |
|
| 3 | often [vb pp] [prep] [be] | 109 |
|
| 4 | be often [prep] [be] | 30 |
|
