| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [v-ing] at [art] [noun sg] | 531 |
|
| 2 | [indef pn] was [v-ing] [art] [noun sg] | 58 |
|
| 3 | [indef pn] [v-ing] at [art] [noun sg] | 22 |
|
| 4 | [indef pn] was [v-ing] at [art] | 16 |
|
