| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [num ord] [coord] a quarter [prep] | 6 |
|
| 2 | a [num ord] [conj] a quarter [prep] | 6 |
|
| 3 | a [num ord] [conj] a quarter of | 5 |
|
| 4 | a fifth [conj] a quarter [prep] | 5 |
|
