| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | prices [am/are] based on [num] [n mass] | 12 |
|
| 2 | prices are based on [num] [noun] | 12 |
|
| 3 | prices [am/are] based on [num] people | 12 |
|
| 4 | prices [am/are] based on [num] people | 12 |
|
| 5 | prices [am/are] based on two [noun] | 6 |
|
