| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [art] basis for [noun] | 9 |
|
| 2 | [vb past] [art] basis for [noun] | 9 |
|
| 3 | [vb past] the basis for [noun] | 8 |
|
| 4 | [vb past] the basis for [noun] | 8 |
|
