| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [art] | 10519 |
|
| 2 | [v-ing] [art] history | 143 |
|
| 3 | [was/were] [art] history | 18 |
|
| 4 | [was/were] [v-ing] history | 12 |
|
