| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] a [noun] for [noun] | 343 |
|
| 2 | [verb] a basis for [noun] | 41 |
|
| 3 | [vb base] [art] basis for [noun] | 25 |
|
| 4 | [vb base] a basis [prep] [noun] | 10 |
|
