| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is base [prep] [num] [noun pl] [prep] | 6 |
|
| 2 | is based [prep] [num] [noun pl] [prep] | 6 |
|
| 3 | is base on [num] [noun pl] [prep] | 5 |
|
| 4 | is base on [num] [noun pl] [prep] | 5 |
|
