| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [coord] more [adj] than | 295 |
|
| 2 | [adj] [coord] more efficient [conj] | 9 |
|
| 3 | [adj] [coord] [adv] efficient than | 6 |
|
| 4 | [adj] [conj] more efficient than | 6 |
|
