| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [adv] at [art] | 181 |
|
| 2 | [was/were] [v-ing] [adv prt] at [art] | 105 |
|
| 3 | [v-ing] [adv prt] [adv] at [art] | 52 |
|
| 4 | [was/were] [v-ing] [adv prt] [adv] [art] | 21 |
|
| 5 | [was/were] [v-ing] [adv prt] [adv] at | 11 |
|
