| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [prep] [art] | 20913 |
|
| 2 | doing [prep] [art] | 439 |
|
| 3 | [was/were] doing [art] | 379 |
|
| 4 | [was/were] doing [prep] | 245 |
|
