| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [prep] a | 5287 |
|
| 2 | use [prep] a | 2713 |
|
| 3 | [was/were] use [prep] | 1818 |
|
| 4 | [was/were] use a | 82 |
|
