| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] than [art] [adj] cost | 9 |
|
| 2 | [det] than the [adj] cost | 9 |
|
| 3 | [det] than the [adj] cost | 9 |
|
| 4 | [det] than [art] [adj] cost | 8 |
|
| 5 | less than [art] [adj] cost | 6 |
|
