| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which base a [noun] | 13 |
|
| 2 | [prep] which to base a [noun] | 13 |
|
| 3 | [prep] which base a [noun sg] | 13 |
|
| 4 | [prep] which base a [noun] | 11 |
|
| 5 | on which base a [noun] | 9 |
|
