| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [was/were] [verb] on a | 179 |
|
| 2 | [noun] [was/were] base on a | 107 |
|
| 3 | [noun pl] [be] base on a | 100 |
|
| 4 | [noun pl] [was/were] base on [art] | 62 |
|
| 5 | [noun pl] [was/were] base [prep] a | 21 |
|
| 6 | [noun pl] [was/were] base [prep] a | 21 |
|
| 7 | [noun pl] [was/were] base on a | 19 |
|
