| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [adv prt] at the | 80 |
|
| 2 | [was/were] [v-ing] [to-vb] [adv prt] the | 57 |
|
| 3 | [was/were] [v-ing] [to-vb] at the | 23 |
|
| 4 | [v-ing] [to-vb] [adv prt] at the | 21 |
|
| 5 | [was/were] [v-ing] [to-vb] [adv prt] at | 12 |
|
