| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is often [conj] | 21 |
|
| 2 | be often [subord] | 20 |
|
| 3 | be often because | 11 |
|
| 4 | be often because | 11 |
|
| 5 | be often that | 10 |
|
| 6 | be often [that] | 10 |
|
| 7 | be often that | 10 |
|
| 8 | be often as | 7 |
|
| 9 | be often as | 7 |
|
| 10 | are often [conj] | 6 |
|
| 11 | be often [coord] | 5 |
|
