| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] on [num] [noun pl] | 108 |
|
| 2 | [was/were] base on [adj] [noun pl] | 68 |
|
| 3 | [be] base on [num] [noun pl] | 34 |
|
| 4 | [was/were] base on [num] [noun] | 12 |
|
| 5 | [was/were] base [prep] [num] [noun pl] | 11 |
|
