| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] basis for the | 21 |
|
| 2 | [prep] a [adj] basis for the | 21 |
|
| 3 | [prep] a [adj] basis for the | 21 |
|
| 4 | [prep] a [adj] basis for the | 21 |
|
| 5 | [prep] a [adj] basis for the | 19 |
|
| 6 | on a [adj] basis for the | 15 |
|
| 7 | on a [adj] basis for the | 15 |
|
