| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | less than the cost [prep] | 16 |
|
| 2 | less than [art] cost [prep] | 16 |
|
| 3 | less than [art] cost [prep] | 16 |
|
| 4 | less than [art] cost [prep] | 16 |
|
| 5 | less than [art] cost of | 16 |
|
| 6 | less than [art] cost of | 16 |
|
