| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | often [subord] [adv] [art] | 10 |
|
| 2 | often [subord] [adv] a | 9 |
|
| 3 | often [subord] [adv] a | 9 |
|
| 4 | often [subord] once [art] | 7 |
|
| 5 | often as [adv] [art] | 6 |
|
