| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | less than [art] quarter [prep] | 40 |
|
| 2 | less than a quarter [prep] | 40 |
|
| 3 | less than [art] quarter of | 40 |
|
| 4 | less than [art] quarter [prep] | 40 |
|
| 5 | less than [art] quarter of | 40 |
|
