| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | often been [prep] | 22 |
|
| 2 | often be [prep] | 17 |
|
| 3 | often be in | 17 |
|
| 4 | often is [prep] | 10 |
|
| 5 | often be at | 9 |
|
| 6 | often be on | 6 |
|
| 7 | often are [prep] | 6 |
|
| 8 | often be of | 6 |
|
