| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that be often [vb pp] | 67 |
|
| 2 | [that] is often [vb pp] | 39 |
|
| 3 | [that] are often [vb pp] | 20 |
|
| 4 | [that] be often used | 9 |
|
| 5 | [that] be often overlooked | 5 |
|
| 6 | [that] were often [vb pp] | 5 |
|
