| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is base [prep] [art] [noun] | 703 |
|
| 2 | [verb] is [prep] [art] [noun] | 244 |
|
| 3 | [verb] base [prep] [art] [noun] | 45 |
|
| 4 | [verb] is base [prep] [art] | 19 |
|
