| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] be [prep] | 2999 |
|
| 2 | [vb base] often be | 170 |
|
| 3 | often be [prep] | 61 |
|
| 4 | [vb base] often [prep] | 14 |
|
