| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [det] than a fifth | 5 |
|
| 2 | [det] than a fifth [prep] | 14 |
|
| 3 | [det] than a fifth [prep] | 14 |
|
| 4 | [det] than a fifth of | 9 |
|
| 5 | [det] than a fifth of | 9 |
|
